How To Fix /INCMD/MSG321 - Enter Group number in GROUP_HEADER_DATA structure

SAP Error Message - Details

• Message type: E = Error

• Message class: /INCMD/MSG -

• Message number: 321

• Message text: Enter Group number in GROUP_HEADER_DATA structure

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 /INCMD/MSG321 - Enter Group number in GROUP_HEADER_DATA structure ?

  The SAP error message /INCMD/MSG321 Enter Group number in GROUP_HEADER_DATA structure typically occurs in the context of an integration or data processing scenario where a group number is expected but not provided. This error is often related to the handling of data in IDoc processing, BAPIs, or other data transfer mechanisms within SAP.
  
  Cause:
  The error indicates that the system is expecting a group number to be specified in the GROUP_HEADER_DATA structure, but it is missing. This can happen due to several reasons:
  
  Missing Data: The group number was not populated in the data structure before the processing was initiated.
  Incorrect Mapping: If data is being transferred from an external system, the mapping of fields may not be correctly set up, leading to the group number not being passed.
  
  Configuration Issues: There may be configuration settings in the SAP system that are not correctly set up to handle the group data.
  
  
  Solution:
  To resolve this error, you