Calendar: Blank page on calendar

[ckykenken]

Steps to reproduce

1. Navigate to the calendar page

Expected behaviour

The calendar grid should appear next to the list of calendars

Actual behaviour

The calendar grid is absent

Calendar app

Calendar app version: 2.1.2

CalDAV-clients used: None

Client configuration

Browser: Every browser including Chromium-based and Firefox
Operating system: Any

Server configuration

Operating system: Ubuntu 18.04.4

Web server: Snap package

Database: MySQL

PHP version: 7.2.24

Nextcloud Version: 20.0.4

Updated from an older installed version or fresh install: Fresh Install

List of activated apps:

• accessibility: 1.6.0
• activity: 2.13.4
• admin_audit: 1.10.0
• bruteforcesettings: 2.0.1
• calendar: 2.1.2
• cloud_federation_api: 1.3.0
• contacts: 3.4.2
• contactsinteraction: 1.1.0
• dashboard: 7.0.0
• dav: 1.16.2
• drawio: 0.9.8
• external: 3.7.1
• federatedfilesharing: 1.10.2
• federation: 1.10.1
• files: 1.15.0
• files_accesscontrol: 1.10.1
• files_pdfviewer: 2.0.1
• files_retention: 1.9.0
• files_rightclick: 0.17.0
• files_sharing: 1.12.1
• files_trashbin: 1.10.1
• files_videoplayer: 1.9.0
• firstrunwizard: 2.9.0
• ldap_contacts_backend: 1.0.1
• logreader: 2.5.0
• lookup_server_connector: 1.8.0
• notes: 4.0.2
• notifications: 2.8.0
• oauth2: 1.8.0
• photos: 1.2.1
• privacy: 1.4.0
• provisioning_api: 1.10.0
• quota_warning: 1.9.1
• serverinfo: 1.10.0
• settings: 1.2.0
• spreed: 10.0.4
• systemtags: 1.10.0
• tasks: 0.13.6
• terms_of_service: 1.6.1
• text: 3.1.0
• theming: 1.11.0
• twofactor_backupcodes: 1.9.0
• twofactor_totp: 5.0.0
• twofactor_u2f: 6.0.0
• user_ldap: 1.10.2
• user_status: 1.0.1
• viewer: 1.4.0
• weather_status: 1.0.0
• workflowengine: 2.2.0

If you have access to your command line run e.g.:
sudo -u www-data php occ app:list
from within your instance's installation folder

Nextcloud configuration:

{
    "system": {
        "apps_paths": [
            {
                "path": "\/snap\/nextcloud\/current\/htdocs\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/var\/snap\/nextcloud\/current\/nextcloud\/extra-apps",
                "url": "\/extra-apps",
                "writable": true
            }
        ],
        "supportedDatabases": [
            "mysql"
        ],
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "memcache.local": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 0
        },
        "log_type": "file",
        "logfile": "\/var\/snap\/nextcloud\/current\/logs\/nextcloud.log",
        "logfilemode": 416,
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "cloud.hypernology.com",
            "10.68.165.94",
            "hk165094cloud01.hypernite.local"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "20.0.4.0",
        "overwrite.cli.url": "cloud.hypernology.com",
        "overwritehost": "cloud.hypernology.com",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "ldapIgnoreNamingRules": false,
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "maintenance": false,
        "loglevel": 2
    }
}

Logs

Web server error log (e.g. /var/log/apache)

AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1. Set the 'ServerName' directive globally to suppress this message
[Wed Dec 23 10:40:44.203767 2020] [ssl:warn] [pid 3351:tid 139962406639488] AH01873: Init: Session Cache is not configured [hint: SSLSessionCache]
[Wed Dec 23 10:40:44.204073 2020] [lbmethod_heartbeat:notice] [pid 3351:tid 139962406639488] AH02282: No slotmem from mod_heartmonitor
[Wed Dec 23 10:40:44.204747 2020] [mpm_event:notice] [pid 3351:tid 139962406639488] AH00489: Apache/2.4.46 (Unix) OpenSSL/1.1.1 configured -- resuming normal operations
[Wed Dec 23 10:40:44.204762 2020] [core:notice] [pid 3351:tid 139962406639488] AH00094: Command line: 'httpd -d /snap/nextcloud/24940 -D FOREGROUND'
[Wed Dec 23 10:40:44.207931 2020] [unixd:alert] [pid 3354:tid 139962406639488] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 10:40:44.207934 2020] [unixd:alert] [pid 3355:tid 139962406639488] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 10:40:44.207936 2020] [unixd:alert] [pid 3356:tid 139962406639488] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 10:41:43.868172 2020] [unixd:alert] [pid 7642:tid 139962406639488] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 12:12:35.648964 2020] [mpm_event:notice] [pid 3351:tid 139962406639488] AH00491: caught SIGTERM, shutting down
AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1. Set the 'ServerName' directive globally to suppress this message
[Wed Dec 23 12:13:27.883679 2020] [ssl:warn] [pid 3311:tid 140180686780288] AH01873: Init: Session Cache is not configured [hint: SSLSessionCache]
[Wed Dec 23 12:13:27.883997 2020] [lbmethod_heartbeat:notice] [pid 3311:tid 140180686780288] AH02282: No slotmem from mod_heartmonitor
[Wed Dec 23 12:13:27.884560 2020] [mpm_event:notice] [pid 3311:tid 140180686780288] AH00489: Apache/2.4.46 (Unix) OpenSSL/1.1.1 configured -- resuming normal operations
[Wed Dec 23 12:13:27.884576 2020] [core:notice] [pid 3311:tid 140180686780288] AH00094: Command line: 'httpd -d /snap/nextcloud/24940 -D FOREGROUND'
[Wed Dec 23 12:13:27.892504 2020] [unixd:alert] [pid 3315:tid 140180686780288] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 12:13:27.892508 2020] [unixd:alert] [pid 3313:tid 140180686780288] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 12:13:27.892511 2020] [unixd:alert] [pid 3314:tid 140180686780288] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 12:13:54.408238 2020] [unixd:alert] [pid 4418:tid 140180686780288] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 12:24:24.515681 2020] [proxy_fcgi:error] [pid 3313:tid 140179947910912] [client 10.68.2.174:53134] AH01067: Failed to read FastCGI header
[Wed Dec 23 12:24:24.515724 2020] [proxy_fcgi:error] [pid 3313:tid 140179947910912] (104)Connection reset by peer: [client 10.68.2.174:53134] AH01075: Error dispatching request to : 
[Wed Dec 23 12:24:24.517947 2020] [proxy_fcgi:error] [pid 3314:tid 140179293574912] [client 10.68.165.94:43626] AH01067: Failed to read FastCGI header
[Wed Dec 23 12:24:24.517992 2020] [proxy_fcgi:error] [pid 3314:tid 140179293574912] (104)Connection reset by peer: [client 10.68.165.94:43626] AH01075: Error dispatching request to : 
[Wed Dec 23 12:24:24.523335 2020] [proxy_fcgi:error] [pid 4418:tid 140180417672960] [client 10.68.2.174:53147] AH01067: Failed to read FastCGI header
[Wed Dec 23 12:24:24.523376 2020] [proxy_fcgi:error] [pid 4418:tid 140180417672960] (104)Connection reset by peer: [client 10.68.2.174:53147] AH01075: Error dispatching request to : 
[Wed Dec 23 12:24:24.524114 2020] [proxy_fcgi:error] [pid 4418:tid 140180509927168] [client 10.68.165.94:43638] AH01067: Failed to read FastCGI header
[Wed Dec 23 12:24:24.524129 2020] [proxy_fcgi:error] [pid 4418:tid 140180509927168] (104)Connection reset by peer: [client 10.68.165.94:43638] AH01075: Error dispatching request to : 
[Wed Dec 23 12:24:24.524992 2020] [proxy_fcgi:error] [pid 3314:tid 140179268396800] [client 10.68.2.174:53183] AH01067: Failed to read FastCGI header
[Wed Dec 23 12:24:24.525009 2020] [proxy_fcgi:error] [pid 3314:tid 140179268396800] (104)Connection reset by peer: [client 10.68.2.174:53183] AH01075: Error dispatching request to : 
[Wed Dec 23 12:24:24.526809 2020] [proxy_fcgi:error] [pid 4418:tid 140180375709440] [client 10.68.165.94:43646] AH01067: Failed to read FastCGI header
[Wed Dec 23 12:24:24.526831 2020] [proxy_fcgi:error] [pid 4418:tid 140180375709440] (104)Connection reset by peer: [client 10.68.165.94:43646] AH01075: Error dispatching request to : 
[Wed Dec 23 12:24:24.528687 2020] [proxy_fcgi:error] [pid 3314:tid 140179285182208] [client 10.68.165.94:43630] AH01067: Failed to read FastCGI header
[Wed Dec 23 12:24:24.528704 2020] [proxy_fcgi:error] [pid 3314:tid 140179285182208] (104)Connection reset by peer: [client 10.68.165.94:43630] AH01075: Error dispatching request to : 
[Wed Dec 23 12:24:24.534294 2020] [proxy_fcgi:error] [pid 3314:tid 140179301967616] [client 10.68.165.94:43634] AH01067: Failed to read FastCGI header
[Wed Dec 23 12:24:24.534323 2020] [proxy_fcgi:error] [pid 3314:tid 140179301967616] (104)Connection reset by peer: [client 10.68.165.94:43634] AH01075: Error dispatching request to : 
[Wed Dec 23 12:24:24.534471 2020] [proxy_fcgi:error] [pid 3314:tid 140179335538432] [client 10.68.2.174:60684] AH01067: Failed to read FastCGI header
[Wed Dec 23 12:24:24.534479 2020] [proxy_fcgi:error] [pid 3314:tid 140179335538432] (104)Connection reset by peer: [client 10.68.2.174:60684] AH01075: Error dispatching request to : 
[Wed Dec 23 12:24:24.543416 2020] [proxy_fcgi:error] [pid 4418:tid 140180392494848] [client 10.68.165.94:43642] AH01067: Failed to read FastCGI header
[Wed Dec 23 12:24:24.543437 2020] [proxy_fcgi:error] [pid 4418:tid 140180392494848] (104)Connection reset by peer: [client 10.68.165.94:43642] AH01075: Error dispatching request to : 
[Wed Dec 23 12:24:24.888880 2020] [mpm_event:notice] [pid 3311:tid 140180686780288] AH00491: caught SIGTERM, shutting down
AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1. Set the 'ServerName' directive globally to suppress this message
[Wed Dec 23 12:25:49.681962 2020] [ssl:warn] [pid 3334:tid 140498612705152] AH01873: Init: Session Cache is not configured [hint: SSLSessionCache]
[Wed Dec 23 12:25:49.682295 2020] [lbmethod_heartbeat:notice] [pid 3334:tid 140498612705152] AH02282: No slotmem from mod_heartmonitor
[Wed Dec 23 12:25:49.682908 2020] [mpm_event:notice] [pid 3334:tid 140498612705152] AH00489: Apache/2.4.46 (Unix) OpenSSL/1.1.1 configured -- resuming normal operations
[Wed Dec 23 12:25:49.682930 2020] [core:notice] [pid 3334:tid 140498612705152] AH00094: Command line: 'httpd -d /snap/nextcloud/24940 -D FOREGROUND'
[Wed Dec 23 12:25:49.690810 2020] [unixd:alert] [pid 3335:tid 140498612705152] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 12:25:49.690811 2020] [unixd:alert] [pid 3336:tid 140498612705152] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 12:25:49.690812 2020] [unixd:alert] [pid 3337:tid 140498612705152] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Wed Dec 23 12:25:51.685527 2020] [unixd:alert] [pid 3776:tid 140498612705152] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Thu Dec 24 22:51:08.599555 2020] [mpm_event:notice] [pid 3334:tid 140498612705152] AH00491: caught SIGTERM, shutting down
AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1. Set the 'ServerName' directive globally to suppress this message
[Thu Dec 24 22:52:12.082384 2020] [ssl:warn] [pid 26217:tid 140591818147712] AH01873: Init: Session Cache is not configured [hint: SSLSessionCache]
[Thu Dec 24 22:52:12.082915 2020] [lbmethod_heartbeat:notice] [pid 26217:tid 140591818147712] AH02282: No slotmem from mod_heartmonitor
[Thu Dec 24 22:52:12.083457 2020] [mpm_event:notice] [pid 26217:tid 140591818147712] AH00489: Apache/2.4.46 (Unix) OpenSSL/1.1.1 configured -- resuming normal operations
[Thu Dec 24 22:52:12.083474 2020] [core:notice] [pid 26217:tid 140591818147712] AH00094: Command line: 'httpd -d /snap/nextcloud/25276 -D FOREGROUND'
[Thu Dec 24 22:52:12.086021 2020] [unixd:alert] [pid 26220:tid 140591818147712] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Thu Dec 24 22:52:12.086036 2020] [unixd:alert] [pid 26219:tid 140591818147712] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Thu Dec 24 22:52:12.086821 2020] [unixd:alert] [pid 26221:tid 140591818147712] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Fri Dec 25 03:04:14.880871 2020] [unixd:alert] [pid 27020:tid 140591818147712] AH02155: getpwuid: couldn't determine user name from uid 4294967295, you probably need to modify the User directive
[Sun Dec 27 00:00:38.170258 2020] [mpm_event:notice] [pid 26217:tid 140591818147712] AH00493: SIGUSR1 received.  Doing graceful restart
AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1. Set the 'ServerName' directive globally to suppress this message

Log file (data/nextcloud.log)

{"reqId":"UyghHwzQySO4XrkzUMiO","level":3,"time":"2020-12-28T16:38:56+00:00","remoteAddr":"10.68.128.1","user":"5DC03F6C-31B5-4B21-9A67-30B25A57B2C3","app":"PHP","method":"GET","url":"/index.php/apps/theming/img/core/filetypes/mindmap.svg?v=0","message":{"Exception":"Error","Message":"file_get_contents(): Filename cannot be empty at /snap/nextcloud/25276/htdocs/apps/theming/lib/IconBuilder.php#232","Code":0,"Trace":[{"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::","args":[2,"file_get_contents(): Filename cannot be empty","/snap/nextcloud/25276/htdocs/apps/theming/lib/IconBuilder.php",232,{"app":"core","image":"filetypes/mindmap.svg","imageFile":false}]},{"file":"/snap/nextcloud/25276/htdocs/apps/theming/lib/IconBuilder.php","line":232,"function":"file_get_contents","args":[""]},{"file":"/snap/nextcloud/25276/htdocs/apps/theming/lib/Controller/IconController.php","line":93,"function":"colorSvg","class":"OCA\\Theming\\IconBuilder","type":"->","args":["core","filetypes/mindmap.svg"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/AppFramework/Http/Dispatcher.php","line":169,"function":"getThemedIcon","class":"OCA\\Theming\\Controller\\IconController","type":"->","args":["core","filetypes/mindmap.svg"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/AppFramework/Http/Dispatcher.php","line":100,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OCA\\Theming\\Controller\\IconController"},"getThemedIcon"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/AppFramework/App.php","line":152,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OCA\\Theming\\Controller\\IconController"},"getThemedIcon"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/Route/Router.php","line":308,"function":"main","class":"OC\\AppFramework\\App","type":"::","args":["OCA\\Theming\\Controller\\IconController","getThemedIcon",{"__class__":"OC\\AppFramework\\DependencyInjection\\DIContainer"},{"action":null,"app":"core","image":"filetypes/mindmap.svg","_route":"theming.Icon.getThemedIcon"}]},{"file":"/snap/nextcloud/25276/htdocs/lib/base.php","line":1008,"function":"match","class":"OC\\Route\\Router","type":"->","args":["/apps/theming/img/core/filetypes/mindmap.svg"]},{"file":"/snap/nextcloud/25276/htdocs/index.php","line":37,"function":"handleRequest","class":"OC","type":"::","args":[]}],"File":"/snap/nextcloud/25276/htdocs/lib/private/Log/ErrorHandler.php","Line":91,"CustomMessage":"--"},"userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36","version":"20.0.4.0"}
{"reqId":"6XKSki1QaDWCOGV2MrJx","level":3,"time":"2020-12-28T16:39:20+00:00","remoteAddr":"10.68.128.1","user":"5DC03F6C-31B5-4B21-9A67-30B25A57B2C3","app":"PHP","method":"GET","url":"/index.php/apps/theming/img/core/filetypes/mindmap.svg?v=0","message":{"Exception":"Error","Message":"file_get_contents(): Filename cannot be empty at /snap/nextcloud/25276/htdocs/apps/theming/lib/IconBuilder.php#232","Code":0,"Trace":[{"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::","args":[2,"file_get_contents(): Filename cannot be empty","/snap/nextcloud/25276/htdocs/apps/theming/lib/IconBuilder.php",232,{"app":"core","image":"filetypes/mindmap.svg","imageFile":false}]},{"file":"/snap/nextcloud/25276/htdocs/apps/theming/lib/IconBuilder.php","line":232,"function":"file_get_contents","args":[""]},{"file":"/snap/nextcloud/25276/htdocs/apps/theming/lib/Controller/IconController.php","line":93,"function":"colorSvg","class":"OCA\\Theming\\IconBuilder","type":"->","args":["core","filetypes/mindmap.svg"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/AppFramework/Http/Dispatcher.php","line":169,"function":"getThemedIcon","class":"OCA\\Theming\\Controller\\IconController","type":"->","args":["core","filetypes/mindmap.svg"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/AppFramework/Http/Dispatcher.php","line":100,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OCA\\Theming\\Controller\\IconController"},"getThemedIcon"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/AppFramework/App.php","line":152,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OCA\\Theming\\Controller\\IconController"},"getThemedIcon"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/Route/Router.php","line":308,"function":"main","class":"OC\\AppFramework\\App","type":"::","args":["OCA\\Theming\\Controller\\IconController","getThemedIcon",{"__class__":"OC\\AppFramework\\DependencyInjection\\DIContainer"},{"action":null,"app":"core","image":"filetypes/mindmap.svg","_route":"theming.Icon.getThemedIcon"}]},{"file":"/snap/nextcloud/25276/htdocs/lib/base.php","line":1008,"function":"match","class":"OC\\Route\\Router","type":"->","args":["/apps/theming/img/core/filetypes/mindmap.svg"]},{"file":"/snap/nextcloud/25276/htdocs/index.php","line":37,"function":"handleRequest","class":"OC","type":"::","args":[]}],"File":"/snap/nextcloud/25276/htdocs/lib/private/Log/ErrorHandler.php","Line":91,"CustomMessage":"--"},"userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36","version":"20.0.4.0"}
{"reqId":"FqKDjvfD6zuunjjbE58p","level":3,"time":"2020-12-28T16:39:23+00:00","remoteAddr":"10.68.128.1","user":"5DC03F6C-31B5-4B21-9A67-30B25A57B2C3","app":"PHP","method":"GET","url":"/index.php/apps/theming/img/core/filetypes/mindmap.svg?v=0","message":{"Exception":"Error","Message":"file_get_contents(): Filename cannot be empty at /snap/nextcloud/25276/htdocs/apps/theming/lib/IconBuilder.php#232","Code":0,"Trace":[{"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::","args":[2,"file_get_contents(): Filename cannot be empty","/snap/nextcloud/25276/htdocs/apps/theming/lib/IconBuilder.php",232,{"app":"core","image":"filetypes/mindmap.svg","imageFile":false}]},{"file":"/snap/nextcloud/25276/htdocs/apps/theming/lib/IconBuilder.php","line":232,"function":"file_get_contents","args":[""]},{"file":"/snap/nextcloud/25276/htdocs/apps/theming/lib/Controller/IconController.php","line":93,"function":"colorSvg","class":"OCA\\Theming\\IconBuilder","type":"->","args":["core","filetypes/mindmap.svg"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/AppFramework/Http/Dispatcher.php","line":169,"function":"getThemedIcon","class":"OCA\\Theming\\Controller\\IconController","type":"->","args":["core","filetypes/mindmap.svg"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/AppFramework/Http/Dispatcher.php","line":100,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OCA\\Theming\\Controller\\IconController"},"getThemedIcon"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/AppFramework/App.php","line":152,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->","args":[{"__class__":"OCA\\Theming\\Controller\\IconController"},"getThemedIcon"]},{"file":"/snap/nextcloud/25276/htdocs/lib/private/Route/Router.php","line":308,"function":"main","class":"OC\\AppFramework\\App","type":"::","args":["OCA\\Theming\\Controller\\IconController","getThemedIcon",{"__class__":"OC\\AppFramework\\DependencyInjection\\DIContainer"},{"action":null,"app":"core","image":"filetypes/mindmap.svg","_route":"theming.Icon.getThemedIcon"}]},{"file":"/snap/nextcloud/25276/htdocs/lib/base.php","line":1008,"function":"match","class":"OC\\Route\\Router","type":"->","args":["/apps/theming/img/core/filetypes/mindmap.svg"]},{"file":"/snap/nextcloud/25276/htdocs/index.php","line":37,"function":"handleRequest","class":"OC","type":"::","args":[]}],"File":"/snap/nextcloud/25276/htdocs/lib/private/Log/ErrorHandler.php","Line":91,"CustomMessage":"--"},"userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36","version":"20.0.4.0"}
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Browser log

{
    "system": {
        "apps_paths": [
            {
                "path": "\/snap\/nextcloud\/current\/htdocs\/apps",
                "url": "\/apps",
                "writable": false
            },
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                "path": "\/var\/snap\/nextcloud\/current\/nextcloud\/extra-apps",
                "url": "\/extra-apps",
                "writable": true
            }
        ],
        "supportedDatabases": [
            "mysql"
        ],
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "memcache.local": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 0
        },
        "log_type": "file",
        "logfile": "\/var\/snap\/nextcloud\/current\/logs\/nextcloud.log",
        "logfilemode": 416,
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "cloud.hypernology.com",
            "10.68.165.94",
            "hk165094cloud01.hypernite.local"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "20.0.4.0",
        "overwrite.cli.url": "cloud.hypernology.com",
        "overwritehost": "cloud.hypernology.com",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "ldapIgnoreNamingRules": false,
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "maintenance": false,
        "loglevel": 2
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}

[Quix0r]

Well, have you checked browser console? I get this here: ReferenceError: ResizeObserver is not defined and I think your ticket's title should be renamed.

[Quix0r]

And seems to be a duplicate of #2757 ?

[muzzah]

I am also seeing this.

[jim-perkins]

for me and others it works with firefox but not in chrome(ium)
https://www.reddit.com/r/NextCloud/comments/kro77s/after_recent_update_calendar_blank_on_chromium/

[muzzah]

My problem here was due to path problems. I am using docker and specified a bind path for the html directory and a different bind path for the custom_app directory. If you do this, then you must update the nginx config (or whatever is serving your nextcloud server) with this information so that the path for apps/config correctly points to your custom_app path.

Devs, it woudl be great if you actually added this to the docs. I can see many people having this problem and there doesnt seem to be any documentation for this

[kernal64]

Same here, works with Firefox but not with Chrome.

Versions:
OS: Manjaro Linux
Mozilla Firefox: 84.0.1 (64-Bit)
Google Chrome: 80.0.3987.132 (Offizieller Build) (64-Bit)
Nextcloud: 20.0.4 (in Docker)
NC Calendar: 2.1.3

I have NO different path for my custom_app directory. I can add more info, when needed.

[kernal64]

As I wanted to move from Chrome to Brave anyway, I just tested it right now with Brave and it's working.

Version: Version 1.18.78 Chromium: 87.0.4280.141 (Offizieller Build) unknown (64-Bit)

[syntron]

(I did post this in #2725 but this was closed)

I'm seeing this using calendar 2.1.3

working: Chromium (87.0.4280.88)
not working: falkon (3.1.0 / QtWebEngine 5.12.7) <= my default browser

using nextcloud 20.0.4.0; tasks and contacts seems to be fine

it was working before the latest update (2.1.2 => 2.1.3)

falkon console log:

index.js:46 No OC found
jquery-migrate.min.js:2 JQMIGRATE: Migrate is installed, version 1.4.1
globals.js:60 jQuery is deprecated: The global jQuery is deprecated. It will be updated to v3.x in Nextcloud 21. In later versions of Nextcloud it might be removed completely. Please ship your own.
globals.js:60 $ is deprecated: The global jQuery is deprecated. It will be updated to v3.x in Nextcloud 21. In later versions of Nextcloud it might be removed completely. Please ship your own.
globals.js:60 $ is deprecated: The global jQuery is deprecated. It will be updated to v3.x in Nextcloud 21. In later versions of Nextcloud it might be removed completely. Please ship your own.
globals.js:60 $ is deprecated: The global jQuery is deprecated. It will be updated to v3.x in Nextcloud 21. In later versions of Nextcloud it might be removed completely. Please ship your own.
globals.js:60 $ is deprecated: The global jQuery is deprecated. It will be updated to v3.x in Nextcloud 21. In later versions of Nextcloud it might be removed completely. Please ship your own.
globals.js:60 $ is deprecated: The global jQuery is deprecated. It will be updated to v3.x in Nextcloud 21. In later versions of Nextcloud it might be removed completely. Please ship your own.
notifications-main.js?v=649afad2-3:303 Notifications permissions denied
globals.js:60 jQuery is deprecated: The global jQuery is deprecated. It will be updated to v3.x in Nextcloud 21. In later versions of Nextcloud it might be removed completely. Please ship your own.
globals.js:60 jQuery is deprecated: The global jQuery is deprecated. It will be updated to v3.x in Nextcloud 21. In later versions of Nextcloud it might be removed completely. Please ship your own.
calendar.js?v=649afad2-3:2 [INFO] calendar:
Initial settings:

• AppVersion: 2.1.3
• EventLimit: true
• FirstRun: false
• ShowWeekNumbers: true
• ShowTasks: true
• ShowWeekends: true
• SkipPopover: false
• SlotDuration: 00:30:00
• TalkEnabled: true
• TasksEnabled: true
• Timezone: automatic

{app: "calendar", uid: "matthias"}
calendar.js?v=649afad2-3:2 [DEBUG] calendar: The calendar app is using version 2.2019c of the timezone database
{app: "calendar", uid: "matthias"}
DevTools failed to parse SourceMap: https://[...nextcloud...]/apps/notifications/js/notifications-main.js.map?v=7e353c6…
calendar.js?v=649afad2-3:2 TypeError: e.replaceAll is not a function
at Mp (calendar.js?v=649afad2-3:2)
at i.options (calendar.js?v=649afad2-3:2)
at vn.get (calendar.js?v=649afad2-3:2)
at vn.evaluate (calendar.js?v=649afad2-3:2)
at i.options (calendar.js?v=649afad2-3:2)
at i.ls (calendar.js?v=649afad2-3:2)
at i.e._render (calendar.js?v=649afad2-3:2)
at i.r (calendar.js?v=649afad2-3:2)
at vn.get (calendar.js?v=649afad2-3:2)
at new vn (calendar.js?v=649afad2-3:2)
calendar.js?v=649afad2-3:2 TypeError: Cannot read property '$el' of undefined
at i.mounted (calendar.js?v=649afad2-3:2)
at He (calendar.js?v=649afad2-3:2)
at sn (calendar.js?v=649afad2-3:2)
at Object.insert (calendar.js?v=649afad2-3:2)
at x (calendar.js?v=649afad2-3:2)
at Dn.patch (calendar.js?v=649afad2-3:2)
at Dn.e._update (calendar.js?v=649afad2-3:2)
at Dn.r (calendar.js?v=649afad2-3:2)
at vn.get (calendar.js?v=649afad2-3:2)
at new vn (calendar.js?v=649afad2-3:2)
session-heartbeat.js:97 session heartbeat polling started
public.js:30 Files_PDFViewer initialized for public page
{isPublicPage: null, canDownload: true, isSecureViewerAvailable: false}
[Violation] Forced reflow while executing JavaScript took 126ms
23
globals.js:60 $ is deprecated: The global jQuery is deprecated. It will be updated to v3.x in Nextcloud 21. In later versions of Nextcloud it might be removed completely. Please ship your own.
[... repeated...]
calendar.js?v=649afad2-3:2 [INFO] calendar: Updated moment locale: de
{app: "calendar", uid: "matthias"}
ConsoleLogger.js:42 [DEBUG] unified-search: Unified Search initialized with the following providers
{0: {…}, 1: {…}, 2: {…}, 3: {…}, 4: {…}, 5: {…}, 6: {…}, 7: {…}, 8: {…}, 9: {…}, 10: {…}, 11: {…}, 12: {…}, 13: {…}, 14: {…}, 15: {…}, 16: {…}, app: "unified-search", uid: "matthias"}
calendar.js?v=649afad2-3:2 [DEBUG] calendar: Current user principal is /remote.php/dav/principals/users/matthias/
{app: "calendar", uid: "matthias"}
globals.js:60 $ is deprecated: The global jQuery is deprecated. It will be updated to v3.x in Nextcloud 21. In later versions of Nextcloud it might be removed completely. Please ship your own.
[... repeated...]

[dschrempf]

I have the same issue on Arch Linux, Nextcloud version 20.0.4-1, after update to calendar version 2.1.3.

The console error is:

TypeError: e.replaceAll is not a function
    at Mp (localeProvider.js:36)
    at i.options (CalendarGrid.vue:127)
    at vn.get (vue.runtime.esm.js:4479)
    at vn.evaluate (vue.runtime.esm.js:4584)
    at i.options (vue.runtime.esm.js:4836)
    at i.ls (CalendarGrid.vue?a26b:7)
    at i.e._render (vue.runtime.esm.js:3548)
    at i.r (vue.runtime.esm.js:4066)
    at vn.get (vue.runtime.esm.js:4479)
    at new vn (vue.runtime.esm.js:4468)

and

vue.runtime.esm.js:1888 TypeError: Cannot read property '$el' of undefined
    at i.mounted (CalendarGrid.vue:203)
    at He (vue.runtime.esm.js:1854)
    at sn (vue.runtime.esm.js:4219)
    at Object.insert (vue.runtime.esm.js:3139)
    at x (vue.runtime.esm.js:6346)
    at Dn.__patch__ (vue.runtime.esm.js:6565)
    at Dn.e._update (vue.runtime.esm.js:3945)
    at Dn.r (vue.runtime.esm.js:4066)
    at vn.get (vue.runtime.esm.js:4479)
    at new vn (vue.runtime.esm.js:4468)

[PatriceVigier]

White page on Firefox 69.0.3
The console error is
TypeError: "e.replaceAll is not a function"
and
TypeError: "this.$refs.fullCalendar is undefined"

Work on Chrome 87

[The-Compiler]

Likely fixed by #2822?

[jim-perkins]

Just updated Nextcloud to 20.0.6, which included a Calendar update to version 2.1.3.

I still have a blank right side with chromium Version 80.0.3987.7 (Official Build) Built on Ubuntu , running on Ubuntu 20.04 (64-bit)

Did see a bug fix in the changelog related to this issue. It didnt work for me. Fix blank page on browsers without support for ResizeObserver #2620

[tcitworld]

@jim-perkins Your issue has been fixed in #2822 (not yet released).

Ubuntu 20.04 now redistributes Chromium through snaps and versions > 85 don't have this issue.

[jim-perkins]

@tcitworld . thanks for the reply. I can confirm that updating chromium to 'Version 89.0.4389.9 (Official Build) Built on Ubuntu , running on Ubuntu 20.04 (64-bit)' resolved the issue. yea I am snap averse :-)

[rysiekpl]

It's been a month, any chance this will get resolved in a release anytime soon? For some of us switching a browser is not an option, and Firefox is still one of the main browsers out there.

[PatriceVigier]

and Firefox is a browser that respect your private life, what Chrome or MS do not, this is why it is important to support them

[rysiekpl]

Duplicate of #2734

[tcitworld]

Fixed in #2822.