How To Fix IHC037 - Transaction type &1 and IDoc refer to different payment categories

SAP Error Message - Details

• Message type: E = Error

• Message class: IHC - IHC Messages

• Message number: 037

• Message text: Transaction type &1 and IDoc refer to different payment categories

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IHC037 - Transaction type &1 and IDoc refer to different payment categories ?

  The SAP error message IHC037 indicates that there is a mismatch between the transaction type and the payment category associated with an IDoc (Intermediate Document) in the context of the SAP Intercompany Financial Communication (IHC) module. This error typically arises when the system is trying to process an IDoc that does not align with the expected payment category for the specified transaction type.
  Cause:
  
  Mismatch in Configuration: The transaction type defined in the IDoc does not correspond to the payment category configured in the system. This can happen if the IDoc is set up incorrectly or if there have been changes in the configuration that have not been reflected in the IDoc.
  Incorrect IDoc Data: The data within the IDoc may not be populated correctly, leading to a mismatch between the expected and actual values.
  Custom Development: If there are custom developments or enhancements in the IDoc processing logic, they may not align with the standard configurations.
  
  Solution:
  
  Check Configuration: Review the configuration settings for transaction types and payment categories in the SAP system. Ensure that the transaction type used in the IDoc is correctly mapped to the appropriate payment category.
  
  Navigate to the relevant configuration settings in the SAP IMG (Implementation Guide) under the IHC module.
  
  
  Validate IDoc Data: Inspect the IDoc data to ensure that it contains the correct transaction type and that all required fields are populated correctly. You can use transaction codes like WE02 or WE19 to analyze the IDoc.
  Adjust IDoc Mapping: If necessary, adjust the mapping of the IDoc fields to ensure they align with the expected values in the system.
  Consult Documentation: Refer to SAP documentation or notes related to IHC and IDoc processing for any specific guidelines or updates that may address this issue.
  Testing: After making changes, test the IDoc processing again to ensure that the error is resolved.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like WE02 (Display IDoc) and WE19 (Test IDoc) to analyze and test IDocs.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error message.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the cause of the IHC037 error and implement a solution to resolve it.