How To Fix /PF1/MSG_FH_GUI673 - Header information is limited to 1023 bytes

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_FH_GUI -

• Message number: 673

• Message text: Header information is limited to 1023 bytes

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_FH_GUI673 - Header information is limited to 1023 bytes ?

  The SAP error message /PF1/MSG_FH_GUI673 indicating that "Header information is limited to 1023 bytes" typically occurs when the header information being processed exceeds the maximum allowed size of 1023 bytes. This can happen in various contexts, such as when dealing with IDocs, RFC calls, or other data transfer mechanisms where headers are involved.
  Cause:
  
  Exceeding Size Limit: The primary cause of this error is that the header information being sent or processed exceeds the 1023-byte limit. This can happen if there are too many fields, or if the fields contain large amounts of data.
  Configuration Issues: Sometimes, the configuration of the system or the way data is structured can lead to oversized headers.
  Data Structure Design: Poorly designed data structures that include unnecessary or overly verbose information can contribute to this issue.
  
  Solution:
  
  Review Header Data: Check the data being sent in the header. Ensure that it does not contain unnecessary information or overly large fields. Trim down the data to fit within the 1023-byte limit.
  Modify Data Structure: If you have control over the data structure, consider redesigning it to minimize the amount of data included in the header. Use more compact representations or move some data to the body of the message if possible.
  Error Handling: Implement error handling in your code to catch this error and provide meaningful feedback or logging to help diagnose the issue in the future.
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or function module you are using to see if there are any recommendations or best practices regarding header size.
  SAP Notes: Check for any relevant SAP Notes that might address this issue or provide patches or updates that could help mitigate the problem.
  
  Related Information:
  
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists and is critical, consider reaching out to SAP Support for assistance.
  Testing: After making changes, thoroughly test the system to ensure that the changes do not introduce new issues and that the header information is now within the acceptable limits.
  
  By addressing the size of the header information and ensuring it adheres to the limitations set by SAP, you should be able to resolve the error message /PF1/MSG_FH_GUI673.