angular 9 : Cannot read property ‘pipe’ of undefined at MatSelect.ngAfterContentInit

I’m using angular 9 and added angular material but when I want to use mat-select, I can not select the option and get the following error.

core.js:6241 ERROR TypeError: Cannot read property 'pipe' of undefined
    at MatSelect.ngAfterContentInit (select.js:609)
    at callHook (core.js:4726)
    at callHooks (core.js:4690)
    at executeInitAndCheckHooks (core.js:4630)
    at refreshView (core.js:12054)
    at refreshComponent (core.js:13458)
    at refreshChildComponents (core.js:11729)
    at refreshView (core.js:12064)
    at refreshEmbeddedViews (core.js:13404)
    at refreshView (core.js:12035)

Source: Angular Material Quesions