How To Fix M_020 - Found overflow IDoc segment w/o parent segment in material mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: M_ - Messages for material field length extension mapping

• Message number: 020

• Message text: Found overflow IDoc segment w/o parent segment in material mapping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M_020 - Found overflow IDoc segment w/o parent segment in material mapping ?

  The SAP error message "M_020 Found overflow IDoc segment w/o parent segment in material mapping" typically occurs during the processing of IDocs (Intermediate Documents) related to material master data. This error indicates that there is an overflow segment in the IDoc that does not have a corresponding parent segment, which can lead to issues in data processing and mapping.
  Cause:
  
  IDoc Structure Issues: The IDoc may have been incorrectly structured, leading to segments that are not properly linked to their parent segments.
  Data Corruption: There may be corruption in the IDoc data, causing segments to be misaligned or improperly formatted.
  Mapping Configuration Errors: The mapping configuration for the material master data may not be set up correctly, leading to mismatches in expected segment hierarchies.
  Version Mismatch: The IDoc version being used may not match the expected version in the receiving system, leading to discrepancies in segment definitions.
  
  Solution:
  
  Check IDoc Structure: Review the IDoc structure to ensure that all segments are correctly defined and that each overflow segment has a corresponding parent segment. You can use transaction WE02 or WE05 to analyze the IDoc.
  Validate Data: Ensure that the data being sent in the IDoc is valid and conforms to the expected format. Look for any anomalies or inconsistencies in the data.
  Review Mapping Configuration: Check the mapping configuration in the system to ensure that it is set up correctly. This may involve reviewing the settings in transaction WE20 (partner profiles) and ensuring that the correct message types and segments are being used.
  Reprocess IDoc: If the IDoc is found to be corrupt or incorrectly structured, you may need to delete the problematic IDoc and reprocess the data to generate a new IDoc.
  Consult Documentation: Refer to SAP documentation or notes related to IDoc processing and material mapping for any specific guidelines or updates that may address this issue.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes related to IDoc processing in newer versions.
  
  Related Information:
  
  IDoc Types: Familiarize yourself with the specific IDoc types used for material master data (e.g., MATMAS).
  Transaction Codes: Use transaction codes like WE02, WE05, and WE19 for monitoring and testing IDocs.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.