ERROR in The Angular Compiler requires TypeScript >=3.6.4 and <3.8.0 but 3.8.2 was found instead

Question

I ran

ng version

and got the following output:

Angular CLI: 9.0.3
Node: 12.16.1
OS: win32 x64

Angular: 9.0.2
... animations, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router
Ivy Workspace: Yes

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.803.25
@angular-devkit/build-angular     0.803.25
@angular-devkit/build-optimizer   0.803.25
@angular-devkit/build-webpack     0.803.25
@angular-devkit/core              8.3.25
@angular-devkit/schematics        9.0.3
@angular/cdk                      8.2.3
@angular/cli                      9.0.3
@angular/material                 8.2.3
@ngtools/webpack                  8.3.25
@schematics/angular               9.0.3
@schematics/update                0.900.3
rxjs                              6.5.4
typescript                        3.8.2
webpack                           4.39.2

If I try set the type script lower it complains the project is Angular 9 and can't use that type of type script. Not sure what to do, any help welcomed, thanks.

Answer 1

Use the version which set ng update command: npm install [email protected]