How To Fix /IWBEP/CM_V4S_RUN026 - Different properties provided for parameter '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4S_RUN -

• Message number: 026

• Message text: Different properties provided for parameter '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4S_RUN026 - Different properties provided for parameter '&1' ?

  The SAP error message /IWBEP/CM_V4S_RUN026 Different properties provided for parameter '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that there is a conflict in the properties defined for a parameter in the OData service. Specifically, it suggests that the same parameter is being defined with different properties in the service metadata, which leads to ambiguity.
  Cause:
  
  Duplicate Parameter Definitions: The same parameter is defined multiple times with different properties (e.g., different data types, cardinalities, etc.) in the OData service.
  Inconsistent Annotations: Annotations or metadata definitions for the parameter may not be consistent across different parts of the service.
  Service Implementation Issues: There may be issues in the implementation of the service, such as inconsistencies in the way the parameter is handled in different methods or functions.
  
  Solution:
  
  Check Parameter Definitions: Review the parameter definitions in the OData service implementation. Ensure that each parameter is defined only once and that its properties are consistent.
  Review Service Metadata: Use the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to check the service metadata. Look for the parameter in question and verify that its properties are consistent throughout the service.
  Update Annotations: If you are using annotations, ensure that they are correctly defined and do not conflict with each other.
  Regenerate Service: If changes are made to the service definition, regenerate the service and re-activate it to ensure that the changes take effect.
  Debugging: If the issue persists, consider debugging the service implementation to trace where the conflicting definitions might be coming from.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on best practices for defining parameters in OData services.
  OData Documentation: Review the official SAP documentation on OData services and parameter definitions to ensure compliance with best practices.
  Community Forums: Engage with the SAP Community or forums where similar issues may have been discussed, as other users may have encountered and resolved the same error.
  
  By following these steps, you should be able to identify and resolve the cause of the error message /IWBEP/CM_V4S_RUN026.