I have an Angular 2 RC4 basic form example on Plunkr that appears to throw the following error (In Chrome DEV console)
Here\'s the plunkr
https://plnkr.co/ed
I was using reactive forms and ran into similar problems. What helped me was to make sure that I set up a corresponding FormGroup in the class. Something like this:
FormGroup
myFormGroup: FormGroup = this.builder.group({ dob: ['', Validators.required] });