How To Fix PE691 - Error occurred when deleting the requirements assignment

PE691 - Overview

• Message type: E = Error

• Message class: PE - Shift Planning: Messages

• Message number: 691

• Message text: Error occurred when deleting the requirements assignment

What causes this issue?

You are trying to delete a requirements assignment.

System Response

An error occurred when deleting the assignment. The assignment could
not be deleted from the database buffer.

How to fix this error?

Store the changes and exit shift planning. Start the process again to
determine which entries were not deleted.

Error message extract from SAP system. Copyright SAP SE.

PE691 - Details

• The SAP error message PE691, which states "Error occurred when deleting the requirements assignment," typically occurs in the context of managing requirements in SAP, particularly when dealing with the assignment of requirements to various objects like production orders, purchase requisitions, or other planning elements.
  Causes of PE691
  
  
  Data Integrity Issues: There may be inconsistencies in the data that prevent the system from deleting the requirements assignment. This could be due to missing or incorrect entries in related tables.
  
  
  Locked Objects: The object you are trying to delete may be locked by another user or process, preventing the deletion.
  
  
  Dependencies: There may be dependencies or relationships with other objects that need to be resolved before the deletion can occur.
  
  
  Authorization Issues: The user may not have the necessary authorizations to perform the deletion.
  
  
  Custom Code or Enhancements: If there are custom developments or enhancements in the system, they might interfere with the standard deletion process.
  
  
  Solutions to PE691
  
  
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