How To Fix /PF1/MSG_PO078 - Invalid segment name &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_PO -

• Message number: 078

• Message text: Invalid segment name &1

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_PO078 - Invalid segment name &1 ?

  The SAP error message /PF1/MSG_PO078 Invalid segment name &1 typically occurs in the context of the SAP Purchasing module, particularly when dealing with Purchase Orders (POs) or related documents. This error indicates that the system has encountered an invalid segment name, which could be due to various reasons.
  Causes:
  
  Incorrect Segment Name: The segment name specified in the document or configuration does not exist or is misspelled.
  Configuration Issues: There may be issues with the configuration of the message types or segments in the system.
  Data Transfer Issues: If data is being transferred from one system to another (e.g., through IDocs), the segment name may not be recognized in the target system.
  Custom Development: If there are custom programs or enhancements, they may be referencing an invalid or non-existent segment.
  
  Solutions:
  
  Check Segment Name: Verify the segment name being used in the transaction or program. Ensure it is correctly spelled and exists in the system.
  Review Configuration: Go to the configuration settings for the relevant message types and segments. Ensure that all necessary segments are defined and correctly configured.
  Debugging: If the error occurs during a specific transaction or program execution, use the debugger to trace where the invalid segment name is being called.
  Consult Documentation: Refer to SAP documentation or help resources for the specific message type or segment to ensure you are using the correct names.
  Check Custom Code: If there are any custom developments, review the code to ensure that it is not referencing an invalid segment name.
  System Logs: Check system logs (transaction SLG1) for additional error messages or information that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: You may want to check transactions like ME21N (Create Purchase Order), ME22N (Change Purchase Order), or ME23N (Display Purchase Order) to see if the error occurs in these contexts.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact your SAP support team or consult with an SAP expert for further assistance.