error TS1086: An accessor cannot be declared in an ambient context in Angular 9

Question

I\'m learning Angular Material and I\'m getting this error when importing { MatButtonModule } from \"@angular/material/button\".

From what I read in other answers, it lo

Answer 1

I had this problem but didn't have a version conflict in my package.json.

My package-lock.json was somehow out of sync with package json though. Deleting and regenerating it worked for me.