Angular-cli: ERROR in The Angular Compiler requires TypeScript >=3.4.0 and <3.6.0 but 3.7.2 was found instead.

[khteh]

🐞 Bug report

Command (mark with an x)

• [ ] new
• [ x] build
• [ ] serve
• [ ] test
• [ ] e2e
• [ ] generate
• [ ] add
• [ ] update
• [ ] lint
• [ ] xi18n
• [ ] run
• [ ] config
• [ ] help
• [ ] version
• [ ] doc

Is this a regression?

Yes, the previous version in which this bug was not present was: ....

Description

A clear and concise description of the problem...

🔬 Minimal Reproduction

🔥 Exception or Error

🌍 Your Environment

$ ng version

     _                      _                 ____ _     ___
    / \   _ __   __ _ _   _| | __ _ _ __     / ___| |   |_ _|
   / △ \ | '_ \ / _` | | | | |/ _` | '__|   | |   | |    | |
  / ___ \| | | | (_| | |_| | | (_| | |      | |___| |___ | |
 /_/   \_\_| |_|\__, |\__,_|_|\__,_|_|       \____|_____|___|
                |___/


Angular CLI: 8.3.19
Node: 13.0.1
OS: linux x64
Angular: 8.2.14
... animations, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... platform-server, router

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.803.19
@angular-devkit/build-optimizer   0.803.19
@angular-devkit/core              8.3.19
@angular-devkit/schematics        8.3.19
@angular/cli                      8.3.19
@ngtools/webpack                  8.3.19
@schematics/angular               8.3.19
@schematics/update                0.803.19
rxjs                              6.5.3
typescript                        3.7.2
webpack                           4.41.2

Anything else relevant?

[alan-agius4]

Hi Typescript 3.7 is not supported in version 8.

Please use TypeScript 3.4.X or 3.5.x

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