How To Fix /IWBEP/CM_V4_MED169 - Conversion exit '&1' already set: property '&2' of entity type '&3'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 169

• Message text: Conversion exit '&1' already set: property '&2' of entity type '&3'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED169 - Conversion exit '&1' already set: property '&2' of entity type '&3' ?

  The SAP error message /IWBEP/CM_V4_MED169 indicates that there is an issue with the conversion exit for a specific property of an entity type in an OData service. This error typically arises when there is an attempt to set a conversion exit that has already been defined for a particular property.
  Cause:
  
  Duplicate Conversion Exit: The error occurs when the same conversion exit is being set multiple times for the same property of an entity type. This can happen due to misconfiguration in the OData service or in the underlying data model.
  Incorrect Mapping: There may be an issue with how the properties are mapped in the OData service, leading to conflicts in the conversion exits.
  Model Changes: If there have been recent changes to the data model or the OData service configuration, it might lead to inconsistencies that trigger this error.
  
  Solution:
  
  Check Configuration: Review the OData service configuration in the SAP Gateway. Ensure that the conversion exits are correctly defined and not duplicated for the same property.
  Review Entity Type: Look at the entity type mentioned in the error message. Check the properties and their associated conversion exits to ensure that each property has a unique conversion exit.
  Adjust Mappings: If you have made changes to the data model or the OData service, ensure that the mappings are updated accordingly. Remove any duplicate entries for conversion exits.
  Debugging: Use debugging tools in SAP to trace the execution and identify where the duplicate setting is occurring. This can help pinpoint the exact location in the code or configuration that is causing the issue.
  Re-generate Service: If necessary, you may need to regenerate the OData service to ensure that all configurations are correctly applied.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on handling conversion exits in OData services.
  Documentation: Refer to the SAP Gateway documentation for best practices on defining and managing conversion exits.
  Community Forums: Engage with the SAP Community or forums where similar issues may have been discussed, and solutions shared by other users.
  
  By following these steps, you should be able to resolve the error and ensure that your OData service functions correctly without conflicts in conversion exits.