How To Fix CY502 - Format key & already processed: Lock not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 502

• Message text: Format key & already processed: Lock not possible

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?

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CY502 - Format key & already processed: Lock not possible ?

  The SAP error message CY502 ("Format key & already processed: Lock not possible") typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with cost center accounting or internal orders. This error indicates that a specific format key has already been processed, and therefore, the system cannot apply a lock on it for further processing.
  Causes:
  
  Concurrent Processing: The format key may be in use by another user or process, leading to a conflict when trying to lock it for processing.
  Incomplete Processing: If a previous transaction involving the format key was not completed successfully, it may still be marked as processed.
  System Configuration: There may be issues with the configuration of the controlling area or the format key itself.
  
  Solutions:
  
  Check for Concurrent Users: Verify if another user is currently processing the same format key. If so, wait for them to complete their transaction.
  Review Transaction Logs: Check the transaction logs to see if there are any incomplete or failed transactions related to the format key. If you find any, you may need to resolve those issues first.
  Restart the Transaction: Sometimes, simply exiting the transaction and re-entering can resolve temporary locking issues.
  Clear Locks: If you have the necessary authorizations, you can use transaction code SM12 to check for and delete any locks that may be causing the issue.
  Check Configuration: Review the configuration settings for the format key in the controlling area to ensure everything is set up correctly.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and delete locks), SE11 (to check table definitions), and SE37 (to check function modules).
  User Authorizations: Ensure that you have the necessary authorizations to perform the actions required to resolve the issue.
  SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it appears to be a bug or a more complex issue.
  
  By following these steps, you should be able to diagnose and resolve the CY502 error in SAP.