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

/PF1/MSG_CP166 - Overview

• Message type: E = Error

• Message class: /PF1/MSG_CP -

• Message number: 166

• Message text: Restart table details cannot be updated

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 /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