How To Fix MPE_CER_MSGS045 - Unable to delete certificate, as active work centers are assigned to it.

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_CER_MSGS - Certificate Messages

• Message number: 045

• Message text: Unable to delete certificate, as active work centers are assigned to it.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_CER_MSGS045 - Unable to delete certificate, as active work centers are assigned to it. ?

  The SAP error message MPE_CER_MSGS045 indicates that you are trying to delete a certificate that is currently assigned to active work centers. This is a common issue when managing certificates in SAP, particularly in the context of quality management or production planning.
  Cause:
  The error occurs because the certificate you are attempting to delete is still linked to one or more work centers that are active in the system. SAP prevents the deletion of such certificates to maintain data integrity and ensure that all references to the certificate are properly managed.
  Solution:
  To resolve this error, you need to follow these steps:
  
  
  Identify Active Work Centers:
  
  Use transaction codes like CR01 (Create Work Center) or CR02 (Change Work Center) to check which work centers are currently assigned to the certificate.
  You can also use reports or queries to list all work centers associated with the certificate.
  
  
  
  Remove Assignments:
  
  Once you have identified the work centers, you need to either deactivate them or remove the assignment of the certificate from these work centers.
  To do this, go to the work center in question and navigate to the relevant tab where the certificate is assigned. Remove the certificate assignment.
  
  
  
  Check for Dependencies:
  
  Ensure that there are no other dependencies or references to the certificate in other areas of the system, such as production orders, maintenance plans, or quality inspections.
  
  
  
  Delete the Certificate:
  
  After ensuring that no active work centers are assigned to the certificate, you can attempt to delete the certificate again using the appropriate transaction (e.g., MEBE for managing certificates).
  
  
  
  Recheck:
  
  After deletion, it’s a good practice to verify that the certificate has been successfully removed and that there are no lingering references.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CR01/CR02: Work Center Management
  MEBE: Certificate Management
  IW31/IW32: Maintenance Order Management (if applicable)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed guidance on managing certificates and work centers.
  
  
  User Roles: Ensure that you have the necessary authorizations to make changes to work centers and certificates.
  
  
  Testing: If you are working in a production environment, consider testing the changes in a development or quality assurance environment first to avoid unintended disruptions.
  
  
  By following these steps, you should be able to resolve the error and successfully delete the certificate.