How To Fix M_019 - IDoc segments without numbers cannot be handled in material mapping

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 019

• Message text: IDoc segments without numbers cannot be handled in material mapping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M_019 - IDoc segments without numbers cannot be handled in material mapping ?

  The SAP error message M_019, which states "IDoc segments without numbers cannot be handled in material mapping," typically occurs during the processing of IDocs (Intermediate Documents) in SAP, particularly when dealing with material master data. This error indicates that there are segments in the IDoc that are not properly numbered or structured, which prevents the system from mapping the data correctly.
  Cause:
  
  Missing Segment Numbers: The IDoc segments that are expected to have a specific numbering or structure are missing these identifiers. This can happen due to incorrect configuration or issues during the IDoc generation.
  Incorrect IDoc Structure: The IDoc may not conform to the expected structure defined in the IDoc type. This can occur if the IDoc is generated from a source that does not adhere to the required format.
  Mapping Issues: If the mapping between the IDoc segments and the material master fields is not correctly defined, it can lead to this error.
  
  Solution:
  
  Check IDoc Structure: Verify the structure of the IDoc being processed. Ensure that all segments are correctly numbered and conform to the expected format. You can use transaction WE02 or WE05 to analyze the IDoc.
  Review Mapping Configuration: Check the mapping configuration in the relevant transaction (e.g., transaction WE20 for partner profiles). Ensure that the mapping between IDoc segments and material master fields is correctly defined.
  Regenerate IDoc: If the IDoc was generated incorrectly, try regenerating it from the source system, ensuring that it adheres to the correct structure.
  Consult Documentation: Review SAP documentation or notes related to the specific IDoc type you are working with. There may be specific requirements or known issues that can provide further guidance.
  Debugging: If the issue persists, consider debugging the IDoc processing to identify where the mapping fails. This may require technical expertise in ABAP or IDoc processing.
  
  Related Information:
  
  IDoc Types: Familiarize yourself with the specific IDoc type you are working with (e.g., MATMAS for material master data) and its expected structure.
  Transaction Codes: Use transaction codes like WE02, WE05, and WE20 for monitoring and configuring 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: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the root cause of the M_019 error and implement a solution to resolve it.