How To Fix E0804 - An error occurred reading the structure of segment '&'

E0804 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 804

• Message text: An error occurred reading the structure of segment '&'

What causes this issue?

The system is inconsistent. The segment &v1& does not have any fields.

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?

Please contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0804 - An error occurred reading the structure of segment '&' ?

  The SAP error message E0804, which states "An error occurred reading the structure of segment '&'", typically occurs in the context of IDoc processing. This error indicates that there is an issue with the structure of a specific segment in the IDoc, which can prevent the IDoc from being processed correctly.
  Causes:
  
  Missing or Incorrect Segment Definition: The segment definition may not exist in the system, or it may have been modified or deleted.
  Inconsistent Data: The data being processed may not conform to the expected structure, such as missing mandatory fields or incorrect data types.
  Version Mismatch: There may be a mismatch between the IDoc version being used and the segment definitions in the system.
  Transport Issues: If the IDoc structure was recently transported from another system, there may have been issues during the transport process.
  Custom Segments: If the segment is a custom segment, it may not be properly defined or activated in the