alert "phone number already registered needed", page doesn't redirect anywhere else

Describe the bug
upon editing contact details(phone number), the app wasn’t rendering to the next page for verification of number when the same number was given to it.

To Reproduce
Steps to reproduce the behavior:

Go to Eratega-multivendor>>user displayed profile>>profile>>contact information
Click on 'edit' beside phone no
add the same number
See error (page stops rendering further
Expected behavior
Should have generated an alert saying "phone number already registered wit his account

Screenshots
Screenshot 2024-03-05 170004

Desktop (please complete the following information):

OS: Windows
Browser Chrome
Version 122.0.6261.95 (Official Build) (64-bit)

Start at the user profile contact-information phone-number edit flow and reproduce the issue in Chrome by submitting the existing number. Trace why the page stops rendering, then ensure the duplicate-number case shows the reported alert and reaches the intended verification behavior.

Written by the indexing model from the issue text.