I try to run command "ng build" in my Angular app next i get: ✔ Browser application bundle generation complete. ✔ Copying assets complete. ⠋ Generating index html...4 rules skipped due to selector errors: .form-floating>~label -> Did not expect successive traversals. .form-floating>~label -> Did not expect successive traversals. .form-floating>~label -> Did not expect successive traversals. .form-floating>~label -> Did not expect successive traversals. ✔ Index html generation complete. I use bootstrap@5.3.1. I saw what is it in documentation but I didn't use these bootstrap class in my app. I have some inputs, labels etc like this: <form #authForm="ngForm" (ngSubmit)="onSubmit(authForm)" *ngIf="!isLoading"> <div class="form-group"> <label for="email" class="col-12 mb-3">E-Mail:</label> <input type="email" class="col-12 mb-3" id="email" ngModel name="email" required email /> </div> <div class="form-group"> <label for="password" class="col-12 mb-3">Password:</label> <input type="password" class="col-12 mb-3" id="password" ngModel name="password" required minlength="6" /> </div> <div *ngIf="error" class="text-center"> <p [ngStyle]=" { 'color' : 'red' }">{{ error }}</p> </div> <button class="btn-login" type="submit" [disabled]="!authForm.valid"> {{ isLoginMode ? 'Login' : 'Sign Up' }}</button> <button class="btn-login" type="button" [disabled]="!authForm.valid" (click)="onSwitchMode()">Switch to {{ isLoginMode ? 'Sign Up' : 'Login' }}</button> </form> I don't know what can I do with this to resolve the problem. Continue reading...