Ngx-toastr: WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 264:39-57 "export 'ɵɵdefineInjectable' was not found in '@angular/core'

[bishoe]

`WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 264:39-57
"export 'ɵɵdefineInjectable' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 368:30-48
"export 'ɵɵdefineInjectable' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 672:36-54
"export 'ɵɵdefineInjectable' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 264:135-143
"export 'ɵɵinject' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 368:108-116
"export 'ɵɵinject' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 368:136-144
"export 'ɵɵinject' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 368:172-180
"export 'ɵɵinject' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 368:198-206
"export 'ɵɵinject' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 672:126-134
"export 'ɵɵinject' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 672:150-158
"export 'ɵɵinject' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 672:169-177
"export 'ɵɵinject' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 672:189-197
"export 'ɵɵinject' was not found in '@angular/core'

WARNING in ./node_modules/ngx-toastr/fesm5/ngx-toastr.js 672:213-221
"export 'ɵɵinject' was not found in '@angular/core'`

import { ToastrService } from 'ngx-toastr';
constructor(public service: UserService ,private toastr:ToastrService ) { }

Angular CLI: 7.2.4
Node: 12.14.0
OS: win32 x64
Angular: 7.2.16
... common, compiler, compiler-cli, core, forms, http
... language-service, platform-browser, platform-browser-dynamic
... router

Package Version

@angular-devkit/architect 0.12.4
@angular-devkit/build-angular 0.12.4
@angular-devkit/build-optimizer 0.12.4
@angular-devkit/build-webpack 0.12.4
@angular-devkit/core 7.2.4
@angular-devkit/schematics 7.2.4
@angular/animations 8.2.14
@angular/cli 7.2.4
@ngtools/webpack 7.2.4
@schematics/angular 7.2.4
@schematics/update 0.12.4
rxjs 6.3.3
typescript 3.2.4
webpack 4.28.4

PS C:\Users\bishoe\Desktop\StarAdmin-Free-Angular-Admin-Template-master>

[scttcper]

https://github.com/scttcper/ngx-toastr#dependencies

[bishoe]

What do I do specifically to solve this problem?

[scttcper]

use the correct version of angular for the version of ngx-toastr

[bishoe]

now it work s thank you