How To Fix SIW372 - Error while fetching proxy data;component for message data type not found

SAP Error Message - Details

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 372

• Message text: Error while fetching proxy data;component for message data type not 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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SIW372 - Error while fetching proxy data;component for message data type not found ?

  The SAP error message SIW372 indicates that there is an issue with fetching proxy data due to a missing component for the specified message data type. This error typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when dealing with message mappings or service interfaces.
  Cause:
  
  Missing Data Type: The error usually arises when the data type that is expected for the message is not defined or is not available in the system.
  Incorrect Configuration: There may be a misconfiguration in the integration scenario, such as incorrect mapping or missing components in the integration flow.
  Transport Issues: If the relevant objects (like data types or message types) were transported from one system to another, they may not have been transported correctly or completely.
  Version Mismatch: There could be a version mismatch between the sender and receiver systems, leading to the absence of expected data types.
  
  Solution:
  
  Check Data Types: Verify that the data type mentioned in the error message exists in the system. You can do this by navigating to the relevant namespace in the Enterprise Services Repository (ESR) and checking for the data type.
  Recreate Missing Components: If the data type is missing, you may need to recreate it or import it from another system where it exists.
  Review Mapping Configuration: Check the message mapping and ensure that all components are correctly configured and that the data types are correctly referenced.
  Transport Objects: If the issue is due to missing objects after a transport, ensure that all necessary objects have been transported and activated in the target system.
  Check for Updates: Ensure that both the sender and receiver systems are updated and compatible with each other, especially if they are on different versions of SAP.
  Debugging: If the issue persists, consider enabling debugging to trace the exact point of failure and gather more information about the missing components.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the error message SIW372 for any specific patches or updates that may address the issue.
  Documentation: Review the SAP documentation for Process Integration/Orchestration for best practices on configuring message types and mappings.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the SIW372 error in your SAP environment.