After making update to the app, my update is getting rejected. It works fine locally and with apk, but google play is rejecting the update. Cant understnad what could be the possible reason. Please help.

I tried to update my app, I changed the login link for the backend and then they are continously rejecting the update

They responded this –

App Status: Rejected

Your app has been rejected and wasn’t published due to the policy
issue(s) listed below. If you submitted an update, the previous
version of your app is still available on Google Play.

Issue found: Violation of Broken Functionality policy Your app
contains content that isn’t compliant with the Broken Functionality
policy.

App contains icon(s) or button(s) that are not responsive or do not
return content. Issue details

We found an issue in the following area(s):

Version code 14: In-app experience To bring your app into compliance,
follow these steps:

Make sure to fix all broken experiences within your app. You can use
the Pre-launch reports to check for app stability.