How To Fix TA370 - You cannot change the source client at restart

SAP Error Message - Details

• Message type: E = Error

• Message class: TA - Extended table maintenance (eval., Customizing, client copy)

• Message number: 370

• Message text: You cannot change the source client at restart

Self-Explanatory Message

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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 TA370 - You cannot change the source client at restart ?

  The SAP error message TA370, "You cannot change the source client at restart," typically occurs in the context of client copy or client transport operations. This error indicates that there is an attempt to change the source client during a process that is already in progress or has been restarted.
  Cause:
  
  Client Copy/Transport in Progress: The error usually arises when a client copy or transport operation is restarted, and the system detects that the source client is being changed. This is not allowed because the operation must maintain consistency with the original source client.
  Incorrect Configuration: There may be a misconfiguration in the client copy settings or the transport settings that leads to this error.
  User Actions: A user may have attempted to modify the source client settings while the operation was still active.
  
  Solution:
  
  Check the Status of the Operation: Ensure that the client copy or transport operation is not currently running. You can check the status in transaction codes like SCC3 (for client copy) or STMS (for transport management).
  Restart the Operation: If the operation has failed or is in an inconsistent state, you may need to cancel it and restart it from the beginning, ensuring that the source client remains unchanged.
  Review Configuration: Verify the configuration settings for the client copy or transport. Make sure that the source client is correctly defined and that no changes are made during the operation.
  Check Logs: Look at the logs for the client copy or transport operation to identify any additional errors or warnings that may provide more context about the issue.
  Consult Documentation: Refer to SAP documentation or notes related to client copy and transport operations for any specific guidelines or troubleshooting steps.
  
  Related Information:
  
  Transaction Codes:
  
  SCC1: Client copy (local)
  SCC2: Client copy (remote)
  SCC3: Monitor client copy
  STMS: Transport Management System
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.