How To Fix IDOC_ADAPTER218 - Unknown segment &1 found

SAP Error Message - Details

• Message type: E = Error

• Message class: IDOC_ADAPTER - Messages for the IDoc Adapter

• Message number: 218

• Message text: Unknown segment &1 found

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IDOC_ADAPTER218 - Unknown segment &1 found ?

  The SAP error message IDOC_ADAPTER218, which states "Unknown segment &1 found," typically occurs during the processing of IDocs (Intermediate Documents) in SAP. This error indicates that the IDoc contains a segment that is not recognized by the system, which can happen for several reasons.
  Causes:
  
  Incorrect IDoc Structure: The IDoc may have been generated with an incorrect or outdated structure that does not match the expected format in the receiving system.
  Missing Segment Definition: The segment that is causing the error may not be defined in the IDoc type in the target system.
  Version Mismatch: There may be a version mismatch between the sender and receiver systems, leading to the use of segments that are not recognized.
  Custom Segments: If custom segments are used, they may not be properly defined or activated in the target system.
  Data Corruption: The IDoc data may be corrupted or improperly formatted, leading to unrecognized segments.
  
  Solutions:
  
  Check IDoc Structure: Verify that the IDoc structure matches the expected format in the receiving system. You can do this by comparing the IDoc type definitions in both systems.
  Define Missing Segments: If the segment is missing in the target system, you may need to define it in the IDoc type using transaction WE30 (IDoc Type Development).
  Update IDoc Definitions: Ensure that both the sender and receiver systems are using the same version of the IDoc definitions. If necessary, update the IDoc definitions in the target system.
  Review Custom Segments: If custom segments are involved, ensure they are properly defined and activated in the target system. You can check this in transaction WE30.
  Validate IDoc Data: Use transaction WE19 (Test Tool for IDocs) to simulate the IDoc processing and check for any data issues. This can help identify if the IDoc is corrupted or improperly formatted.
  Consult Documentation: Review the documentation for the specific IDoc type to ensure that all required segments are included and correctly formatted.
  
  Related Information:
  
  Transaction Codes:
  
  WE30: IDoc Type Development
  WE19: Test Tool for IDocs
  WE02: Display IDocs
  WE05: IDoc List
  
  
  IDoc Types: Familiarize yourself with the specific IDoc type you are working with, as different IDocs have different segment structures.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide updates related to the IDoc type you are using.
  
  By following these steps, you should be able to identify the cause of the IDOC_ADAPTER218 error and implement a solution to resolve it.