issue in change personal information address approval flow deletion

Requirement:

When a Pending Worker makes changes to Name, Address, or Disability Info, the transaction should get Auto Approved.
When an Employee makes changes to Name, Address, or Disability Info, the approval flow should trigger.
For Employee Contact related Name and Address changes, the transaction should get Auto Approved.

Current Status:
The approval rules were configured and are working correctly as expected for all scenarios.

Issue:
Currently, while performing changes related to Address the transaction is throwing error

An attribute in the OtherAddress_Emp_Modification rule has a null value.

Resolution: Ensure that a value is entered for the mandatory attribute used in the rule configuration or add a not null condition for this attribute.