How To Fix EA312 - Segment &1 is unknown in Release &2/&3

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 312

• Message text: Segment &1 is unknown in Release &2/&3

What causes this issue?

The system tried to read the IDoc segment '&v1&' for Basis release '
&v2&' and application release '&v3&'.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

The segment '&v1&' is not recognized in Basis release '&v2&' with
application release '&v3&'.

How to fix this error?

Check the release entered. The segment is recognized in the system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA312 - Segment &1 is unknown in Release &2/&3 ?

  The SAP error message EA312, which states "Segment &1 is unknown in Release &2/&3," typically occurs in the context of Electronic Data Interchange (EDI) or when working with IDoc (Intermediate Document) processing. This error indicates that the system is trying to process a segment that is not recognized in the specified release version of the IDoc or EDI standard.
  Cause:
  
  Unknown Segment: The segment specified in the error message (&1) is not defined in the IDoc type or the EDI standard for the specified release (&2/&3).
  Version Mismatch: There may be a mismatch between the IDoc structure being used and the version of the IDoc that the system is configured to handle.
  Configuration Issues: The IDoc or EDI configuration may not be set up correctly, leading to the system not recognizing certain segments.
  Custom Development: If there are custom segments or modifications, they may not be properly defined or registered in the system.
  
  Solution:
  
  Check IDoc Definition: Verify that the segment mentioned in the error message is defined in the IDoc type you are using. You can do this by checking the IDoc type in transaction WE30 or WE31.
  Review EDI Configuration: Ensure that the EDI configuration is correct and that the correct version of the EDI standard is being used. This can be checked in transaction WE20 (Partner Profiles).
  Update IDoc Structure: If the segment is indeed missing, you may need to update the IDoc structure to include the segment or adjust the mapping to ensure that the correct segments are being sent.
  Check for Custom Segments: If you are using custom segments, ensure that they are properly defined and registered in the system. You may need to consult with your ABAP developers or SAP Basis team.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on how to resolve it.
  
  Related Information:
  
  Transaction Codes:
  
  WE30: IDoc Type Development
  WE31: Segment Definition
  WE20: Partner Profiles
  WE02: IDoc Display
  
  
  Documentation: Review SAP documentation related to IDocs and EDI processing for more detailed information on segment definitions and configurations.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the EA312 error and implement a solution to resolve it.