How To Fix CO555 - Inspection lot &1 for order &2 is already being processed by &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 555

• Message text: Inspection lot &1 for order &2 is already being processed by &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO555 - Inspection lot &1 for order &2 is already being processed by &3 ?

  The SAP error message CO555 indicates that an inspection lot is already being processed by another user or session for a specific order. This typically occurs in the context of quality management and production order processing, where multiple users may attempt to access or modify the same inspection lot simultaneously.
  Cause:
  
  Concurrent Access: Another user is currently processing the same inspection lot, which prevents your session from accessing it.
  Session Lock: The inspection lot may be locked due to an ongoing transaction or process that has not yet been completed.
  Background Jobs: A background job may be running that is currently using the inspection lot.
  System Configuration: There may be specific configurations or settings in the system that enforce strict locking mechanisms for inspection lots.
  
  Solution:
  
  Wait and Retry: If another user is processing the inspection lot, wait for them to complete their task and then try again.
  Check Active Sessions: Use transaction codes like SM12 (to check for locks) or SM21 (to view system logs) to identify if another user is holding a lock on the inspection lot.
  Communicate with Users: If you identify another user, communicate with them to understand their progress and when they expect to finish.
  Release Locks: If you have the necessary authorizations, you can release locks using transaction SM12, but this should be done with caution to avoid data inconsistencies.
  Review Background Jobs: Check if there are any background jobs that might be processing the inspection lot using transaction SM37.
  System Configuration Review: If this issue occurs frequently, consider reviewing the system configuration with your SAP Basis team to see if adjustments can be made to reduce locking conflicts.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO03 (Display Production Order), QA32 (Change Inspection Lot), and QA03 (Display Inspection Lot).
  User Authorizations: Ensure that you have the necessary authorizations to access and modify inspection lots.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to Quality Management (QM) and Production Planning (PP) for best practices in handling inspection lots.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.