How To Fix /PF1/MSG_CP166 - Restart table details cannot be updated

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_CP -

• Message number: 166

• Message text: Restart table details cannot be updated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_CP166 - Restart table details cannot be updated ?

  The SAP error message /PF1/MSG_CP166 Restart table details cannot be updated typically occurs in the context of process chains or data loading operations in SAP BW (Business Warehouse). This error indicates that there is an issue with updating the restart table, which is used to manage the state of data loads and process chains.
  Causes:
  
  Database Locking Issues: The restart table may be locked by another process, preventing updates.
  Authorization Issues: The user executing the process may not have the necessary authorizations to update the restart table.
  Corrupted Restart Table: The restart table itself may be corrupted or contain invalid entries.
  System Configuration Issues: There may be configuration issues in the BW system that affect the process chain or data load.
  Inconsistent Data: If there are inconsistencies in the data being processed, it may lead to failures in updating the restart table.
  
  Solutions:
  
  Check for Locks: Use transaction codes like SM12 to check for any locks on the restart table. If you find locks, you may need to wait for the other process to complete or resolve the lock.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform the operation. You can check this in transaction SU53 or by reviewing the user's roles and authorizations.
  Check the Restart Table: Use transaction SE11 to check the structure and contents of the restart table. If you find inconsistencies, you may need to clean up or repair the table.
  Reconfigure Process Chains: If the error is related to a specific process chain, consider reconfiguring it or recreating it to ensure that all settings are correct.
  Check System Logs: Review the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Restart the Process: Sometimes, simply restarting the process chain or data load can resolve transient issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide patches.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SM12 (Lock Entries), SLG1 (Application Log), and SE11 (Data Dictionary).
  SAP BW Documentation: Review SAP BW documentation for best practices on managing process chains and data loads.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.