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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0803 - An error occurred reading the structure of segment '&' ?

  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 or activated in the target system.
  
  Solutions:
  
  Check Segment Definition: Verify that the segment definition exists in the target system. You can do this by checking the IDoc type in transaction WE30 (IDoc Types) and ensuring that the segment is correctly defined.
  Validate IDoc Data: Use transaction WE19 (Test Tool for IDocs) to simulate the IDoc processing and check if the data being sent is valid and conforms to the expected structure.
  Transport Consistency: If the IDoc structure was recently transported, ensure that all necessary components were included in the transport request and that they were imported correctly.
  Check for Custom Segments: If you are using custom segments, ensure that they are properly defined and activated in the target system. You can check this in transaction WE30 as well.
  Review IDoc Version: Ensure that the IDoc version being sent matches the version expected by the receiving system. This may involve checking the configuration in transaction WE81 (IDoc Types) and WE82 (IDoc Version).
  
  Related Information:
  
  Transaction Codes:
  
  WE30: IDoc Types
  WE19: Test Tool for IDocs
  WE81: IDoc Types
  WE82: IDoc Version
  
  
  SAP Notes: Check SAP Notes related to IDoc processing for any known issues or patches that may address this error.
  Debugging: If the issue persists, consider debugging the IDoc processing to identify the exact point of failure.
  
  By following these steps, you should be able to diagnose and resolve the E0803 error in SAP. If the problem continues, it may be beneficial to consult with your SAP Basis or technical team for further assistance.