#problem : @angular/cdk version 9.0.1 does not export member ScrollDispatchModule. [on Angular 9]

import { ScrollDispatchModule } from '@angular/cdk/scrolling';

#Sol  : The ScrollDispatchModule was removed since it has been deprecated for a while. If you're only using the ScrollDispatcher, you can use it directly without importing the module, otherwise you can import the ScrollingModule instead. [on Angular 9]

import { ScrollingModule } from '@angular/cdk/scrolling';

Another Solutions : [on Angular 9]

The ScrollDispatchModule was removed since it has been deprecated for a while. If you're only using the ScrollDispatcher, you can use it directly without importing the module, otherwise you can import the ScrollingModule instead.