Object is possibly 'null'. 20 <div *ngIf="signUpForm.get('email').touched">Es necesario introducir el email</div> code example

Example: Object is possibly 'null'. 20 *ngIf="!signupForm.get('email').valid && signupForm.get('email')!.touched "

use signupForm.get('email')!.valid
instead of below one
signupForm.get('email').valid