How To Fix 29804 - Previous session header record was ignored

29804 - Overview

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 804

• Message text: Previous session header record was ignored

What causes this issue?

The sequential file contains two consecutive session header records.
For this reason, the previous session header record is ignored.

Error message extract from SAP system. Copyright SAP SE.

29804 - Details

• The SAP error message "29804 Previous session header record was ignored" typically occurs in the context of data transfer processes, particularly when dealing with IDocs (Intermediate Documents) or other batch processing scenarios. This error indicates that there was an issue with the session header record, which is crucial for maintaining the integrity of the data being processed.
  
  Cause:
  
  Session Management Issues: The error often arises when there are inconsistencies in the session management, such as multiple sessions being opened or closed improperly.
  Data Format Issues: If the data being processed does not conform to the expected format or structure, it can lead to this error.
  IDoc Processing Errors: If there are issues with the IDoc structure or if the IDoc is not properly formatted, it can cause the session header to be ignored.
  Concurrency Issues: If multiple processes are trying to access or modify the same data simultaneously, it can lead to conflicts and this