Erro Material

Estou com erro na aplicação, ele parece não reconhecer tags personalizadas do material para o componente signupcomponent.ts. link para baixar o projeto https://drive.google.com/open?id=1APTtzZoZBQYKn5SOX6GMME31hJTNqcGx

  src/app/access/signup/signup.component.ts:12:18
    12     templateUrl: './signup.component.html',
                        ~~~~~~~~~~~~~~~~~~~~~~~~~
    Error occurs in the template of component SignupComponent.
src/app/access/signup/signup.component.html:64:33 - error NG8001: 'mat-form-field' is not a known element:
1. If 'mat-form-field' is an Angular component, then verify that it is part of this module.
2. If 'mat-form-field' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.