Uncaught (in promise): Error: Cannot find control with name after click on the link in ionic 3?

Hello to all,
I have create a app in which i have to click on the login link i got this error “Cannot find control with name” sir i am new in ionic i am using [ngModelOptions]="{standalone: true} in < but not working please tell m how to fix this error?

i got the error in this line ?

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