How To Fix IDOC_ADAPTER156 - Segment reduction with Release &1: No EDISDEF metadata

SAP Error Message - Details

• Message type: E = Error

• Message class: IDOC_ADAPTER - Messages for the IDoc Adapter

• Message number: 156

• Message text: Segment reduction with Release &1: No EDISDEF metadata

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IDOC_ADAPTER156 - Segment reduction with Release &1: No EDISDEF metadata ?

  The SAP error message IDOC_ADAPTER156, which states "Segment reduction with Release &1: No EDISDEF metadata," typically occurs in the context of IDoc processing when the system is unable to find the necessary metadata for a specific segment in the IDoc. This can happen for various reasons, including configuration issues or missing definitions in the EDI subsystem.
  Cause:
  
  Missing EDISDEF Metadata: The error indicates that the system cannot find the required EDISDEF (EDI Segment Definition) metadata for the specified release. This metadata is essential for interpreting the IDoc segments correctly.
  Incorrect Configuration: The configuration for the EDI subsystem may not be set up correctly, leading to the inability to map the IDoc segments to the corresponding EDI definitions.
  Version Mismatch: The IDoc may be using a version or release that is not supported or defined in the system, leading to a lack of corresponding metadata.
  Transport Issues: If the EDISDEF metadata was recently transported from another system, there may have been issues during the transport process.
  
  Solution:
  
  Check EDISDEF Metadata: Verify that the EDISDEF metadata for the specified release is correctly defined in the system. You can do this by checking the EDI configuration in transaction codes like WE30 (IDoc Types) and WE31 (IDoc Segments).
  Update EDI Configuration: If the metadata is missing, you may need to create or update the EDISDEF entries. This can involve defining the segments and their properties according to the EDI standards you are working with.
  Check Version Compatibility: Ensure that the IDoc version being processed is compatible with the EDI definitions in your system. If there is a mismatch, you may need to update your IDoc definitions or adjust the incoming IDoc to match the expected format.
  Transport Check: If the metadata was recently transported, check the transport logs for any errors or issues. You may need to re-transport the relevant objects or manually create the missing definitions.
  Consult Documentation: Refer to SAP documentation or support notes related to EDI and IDoc processing for any specific guidance on the error message and its resolution.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as WE20 (Partner Profiles), WE21 (Port Definition), and WE30 (IDoc Types) for managing EDI configurations.
  SAP Notes: Search for SAP Notes related to IDoc processing and EDI issues, as they may provide specific fixes or recommendations for your version of SAP.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other SAP users.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.