How To Fix EA310 - Structure of segment &1 is unknown (field name &2)

EA310 - Overview

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 310

• Message text: Structure of segment &1 is unknown (field name &2)

What causes this issue?

The system cannot fully check the structure of segment '&v1&'. The check
of the data element of field '&v2&' returned an error.

System Response

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

How to fix this error?

Check the consistency of the segment definition using the IDoc
definition tools.

Error message extract from SAP system. Copyright SAP SE.

EA310 - Details

• The SAP error message EA310, which states "Structure of segment &1 is unknown (field name &2)," typically occurs in the context of Electronic Data Interchange (EDI) or Intermediate Document (IDoc) processing. This error indicates that the system is unable to recognize the structure of a specific segment in the IDoc or EDI message, which can be due to several reasons.
  Causes:
  
  
  Missing or Incorrect Segment Definition: The segment definition for the specified segment (&1) is not available in the system. This could happen if the segment is not defined in the relevant IDoc type or EDI message type.
  
  
  Incorrect Mapping: The mapping between the IDoc segments and the corresponding data structures may be incorrect or incomplete.
  
  
  Custom Development Issues: If there are custom segments or modifications in the IDoc structure, they may not be properly defined or activated in the system.
  
  
  Version Mismatch: There may be a version mismatch between the sender and receiver systems,