Undefined array key warnings for user roles for which configurations are not available

Here is the patch against 3.x.

Changing the status.

Thank you for your patch. It will be committed soon.

The changes have been committed.

Automatically closed - issue fixed for 2 weeks with no activity.

Drupal: 10.3.0
PHP: 8.3.2
MySQL: 8.0.34-26
multiple_registration: 3.3.1+3-dev

On edit user profile it's shown this warning:

Warning: Undefined array key "profilename" in multiple_registration_entity_form_display_alter() (line 399 of modules/multiple_registration/multiple_registration.module).
Warning: Trying to access array offset on null in multiple_registration_entity_form_display_alter() (line 399 of modules/multiple_registration/multiple_registration.module).