How To Fix QISR028 - The contact person must be an SAP user

QISR028 - Overview

• Message type: E = Error

• Message class: QISR - Internal Service Requests

• Message number: 028

• Message text: The contact person must be an SAP user

What causes this issue?

You can enter only valid SAP users as contacts for the internal service
request.

How to fix this error?

Select a valid SAP user (-> F4), or leave the field empty.

Error message extract from SAP system. Copyright SAP SE.

QISR028 - Details

• The SAP error message QISR028, which states "The contact person must be an SAP user," typically occurs when you are trying to assign a contact person to a business partner or a customer/vendor record, and the specified contact person is not recognized as a valid SAP user in the system.
  
  Cause:
  
  Non-Existing User: The contact person you are trying to assign does not exist as a user in the SAP system.
  User Status: The user may exist but is inactive or locked.
  User Type: The contact person may not be set up with the correct user type or role that allows them to be assigned as a contact person.
  Missing Authorizations: The user may not have the necessary authorizations to be assigned as a contact person.
  
  
  Solution:
  
  
  Check User Existence:
  
  Go to transaction code SU01 (User Maintenance) and check if the contact person exists in the system.
  If they do not exist, you will need to create a new