Error in navigateing between pages

i get this error when navigate between pages .

ERROR Error: Uncaught (in promise): TypeError: You provided ‘undefined’ where a stream was expected. You can provide an Observable, Promise, Array, or Iterable.
TypeError: You provided ‘undefined’ where a stream was expected. You can provide an Observable, Promise, Array, or Iterable.

Hi there, it’s going to be impossible to help you without more code samples and context. This is likely an issue in your code somewhere and without that, we can’t help.

If you can provide more info we can try to help you out!