How To Fix /IWBEP/CM_V4_RUNTIME146 - Target operation return is not a primitive collection

/IWBEP/CM_V4_RUNTIME146 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 146

• Message text: Target operation return is not a primitive collection

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_RUNTIME146 - Target operation return is not a primitive collection ?

  The SAP error message /IWBEP/CM_V4_RUNTIME146 Target operation return is not a primitive collection typically occurs in the context of SAP Gateway and OData services. This error indicates that the response from an OData service operation is expected to return a primitive collection (like an array of simple data types), but instead, it is returning a different type of data structure (like an entity or complex type).
  
  Cause:
  
  Incorrect Return Type: The OData service is defined to return a primitive collection, but the implementation is returning a different type (e.g., an entity or complex type).
  Service Definition Mismatch: The service definition in the OData metadata does not match the actual implementation of the service.
  Model 
  Configuration Issues: There may be issues in the way the OData model is configured, leading to mismatches in expected data types.
  
  
  Solution:
  
  
  Check Service Implementation: Review the implementation of the OData service to ensure that the return type matches the expected primitive