How To Fix IDOC_METADATA426 - Mandatory node '&' missing in the structure & &

SAP Error Message - Details

• Message type: E = Error

• Message class: IDOC_METADATA - Messages for metadata for the IDoc adapter

• Message number: 426

• Message text: Mandatory node '&' missing in the structure & &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IDOC_METADATA426 - Mandatory node '&' missing in the structure & & ?

  The SAP error message IDOC_METADATA426 indicates that a mandatory node is missing in the IDoc structure. This error typically occurs during the processing of IDocs (Intermediate Documents) when the expected data structure does not match the actual data being sent or received.
  Cause:
  
  Missing Mandatory Fields: The IDoc structure defined in the system expects certain mandatory fields (nodes) to be present, but they are not included in the IDoc data being processed.
  Incorrect Mapping: There may be an issue with the mapping of the data from the source system to the IDoc structure, leading to missing mandatory nodes.
  Changes in IDoc Structure: If there have been recent changes to the IDoc structure (e.g., new mandatory fields added), and the sending system has not been updated accordingly, this error can occur.
  Configuration Issues: Incorrect configuration in the IDoc processing settings or partner profiles can lead to this error.
  
  Solution:
  
  Check IDoc Structure: Review the IDoc structure in transaction WE30 (IDoc Types) or WE31 (IDoc Segments) to identify which mandatory nodes are missing.
  Validate Data Mapping: Ensure that the data being sent to the IDoc is correctly mapped and includes all mandatory fields. This may involve checking the source system or middleware that generates the IDoc.
  Update Sending System: If the IDoc structure has changed, ensure that the sending system is updated to include the new mandatory fields.
  Review Partner Profiles: Check the partner profiles in transaction WE20 to ensure that the settings are correct and that the IDoc is being processed as expected.
  Testing: After making the necessary changes, test the IDoc processing again to ensure that the error is resolved.
  
  Related Information:
  
  Transaction Codes:
  
  WE30: Display IDoc Types
  WE31: Display IDoc Segments
  WE20: Partner Profiles
  WE02: Display IDocs
  
  
  Documentation: Refer to SAP Help documentation for IDocs and the specific IDoc type you are working with for detailed information on the structure and mandatory fields.
  Debugging: If the issue persists, consider using transaction WE19 (Test Tool for IDocs) to simulate the IDoc processing and identify the missing nodes.
  
  By following these steps, you should be able to identify the cause of the IDOC_METADATA426 error and implement a solution to resolve it.