How To Fix E0803 - An error occurred reading the structure of segment '&'

E0803 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 803

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

What causes this issue?

The system is inconsistent. The segment &v1& is not active in the
Dictionary.

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 administration.

Error message extract from SAP system. Copyright SAP SE.

E0803 - Details

• The SAP error message E0803, 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 the IDoc segment being processed. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Missing or Incorrect Segment Definition: The segment definition in the IDoc type may be missing or incorrectly defined in the system.
  Inconsistent Data: The data being sent in the IDoc may not conform to the expected structure, leading to issues when the system tries to read it.
  Transport Issues: If the IDoc structure was recently transported from one system to another, there may be inconsistencies or missing components.
  Version Mismatch: There may be a mismatch between the IDoc version being sent and the version expected by the receiving system.
  Custom Segments: If custom segments are used, they may not be properly defined