How To Fix PK871 - Control Cycle data has been changed while processing the request

SAP Error Message - Details

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 871

• Message text: Control Cycle data has been changed while processing the request

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 PK871 - Control Cycle data has been changed while processing the request ?

  The SAP error message PK871 indicates that there has been a change in the control cycle data while processing a request. This typically occurs in the context of Production Planning (PP) and can affect processes such as production orders, planning runs, or other related activities.
  Cause:
  The error can be caused by several factors, including:
  
  
  Concurrent Changes: Another user or process may have modified the control cycle data while your request was being processed. This can happen in environments where multiple users are working on the same data simultaneously.
  
  
  Data Inconsistency: There may be inconsistencies in the data due to previous errors or incomplete updates.
  
  
  Locking Issues: The control cycle might be locked by another transaction, preventing your request from processing correctly.
  
  
  Configuration Changes: Changes in configuration settings related to control cycles or master data can also lead to this error.
  
  
  Solution:
  To resolve the PK871 error, you can take the following steps:
  
  
  Retry the Operation: Sometimes, simply retrying the operation after a short wait can resolve the issue, especially if it was caused by a temporary lock or concurrent change.
  
  
  Check for Changes: Verify if any changes were made to the control cycle data by other users. You can check the change logs or ask your colleagues if they were working on the same data.
  
  
  Review Lock Entries: Use transaction code SM12 to check for any lock entries related to the control cycle. If you find locks that are no longer needed, you can delete them (ensure you have the necessary authorizations).
  
  
  Consistency Check: Run consistency checks on the control cycle data to ensure there are no inconsistencies. You can use transaction codes like CKMLCP (for material ledger) or other relevant tools depending on your specific setup.
  
  
  Consult Documentation: Review SAP documentation or notes related to the PK871 error for any specific recommendations or patches that may address the issue.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error, including the steps leading up to it.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  PK01: Create Control Cycle
  PK02: Change Control Cycle
  PK03: Display Control Cycle
  SM12: Display and Delete Lock Entries
  SM21: System Log
  
  
  
  SAP Notes: Search for SAP Notes related to the PK871 error for any known issues or fixes.
  
  
  User Roles and Authorizations: Ensure that users have the appropriate roles and authorizations to access and modify control cycle data.
  
  
  By following these steps, you should be able to diagnose and resolve the PK871 error effectively.