How To Fix GRPG128 - Deleting an automatically created assignement is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: GRPG - Grouping/Pegging for Individual Project Planning

• Message number: 128

• Message text: Deleting an automatically created assignement is not allowed

What causes this issue?

You want to delete an assignment that was generated for project &v1&
in the background using <DS:DE.GRONTOP>automatische requirements
grouping</>. Automatic requirements grouping implies that all the WBS
elements in the project are planned together.

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GRPG128 - Deleting an automatically created assignement is not allowed ?

  The SAP error message GRPG128, which states "Deleting an automatically created assignment is not allowed," typically occurs in the context of managing assignments in SAP, particularly when dealing with automatic assignments in the system. This error can arise in various modules, such as SAP Materials Management (MM) or SAP Production Planning (PP), where automatic assignments are created by the system based on certain criteria.
  Cause:
  The error is triggered when a user attempts to delete an assignment that was automatically generated by the system. Automatic assignments are usually created based on predefined rules or configurations, and the system restricts users from manually deleting these assignments to maintain data integrity and consistency.
  Solution:
  To resolve this error, consider the following approaches:
  
  
  Review the Assignment: Check the details of the assignment you are trying to delete. Understand why it was created automatically and whether it is necessary for your process.
  
  
  Change the Configuration: If you believe that the automatic assignment should not exist, you may need to adjust the configuration settings in the relevant module. This could involve changing the rules that govern how assignments are created.
  
  
  Use Alternative Methods: Instead of deleting the assignment, consider whether you can modify or deactivate it through other means. For example, you might be able to change the status of the assignment or reassign it to a different entity.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling automatic assignments in your particular module.
  
  
  Contact SAP Support: If you are unable to resolve the issue through the above methods, consider reaching out to SAP support for assistance. They can provide insights based on your specific system configuration and usage.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help you manage assignments, such as ME21N (Create Purchase Order), CO01 (Create Production Order), etc.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to assignments in the system.
  System Logs: Check system logs for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to address the GRPG128 error effectively.