Error : Module ‘”@angular/material”‘ has no exported member “…”
You have probably updated your angular and/or angular material versions; with the angular material 9 upgrade they changed the imports from @angular/material notation to @angular/material/button like notation. Instead of importing from @angular/material, you should import deeply from the specific component. E.g. @angular/material/button. ng update will do this automatically for you. You can follow the upgrade … Read more