How To Fix /IWBEP/CM_SBMC_MPC016 - ABAP field name is not specified for input parameter '&1'

/IWBEP/CM_SBMC_MPC016 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_SBMC_MPC -

• Message number: 016

• Message text: ABAP field name is not specified for input parameter '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_SBMC_MPC016 - ABAP field name is not specified for input parameter '&1' ?

  The SAP error message /IWBEP/CM_SBMC_MPC016 indicates that there is an issue with an input parameter in an OData service, specifically that an ABAP field name is not specified for the input parameter. This error typically arises in the context of SAP Gateway and OData services when the service definition is not correctly configured.
  
  Cause:
  
  Missing Field Mapping: The input parameter in the OData service is not mapped to a corresponding ABAP field in the backend system.
  Incorrect Service Definition: The service definition in the Service Builder (transaction SEGW) may be incomplete or incorrectly defined.
  Model Issues: There may be issues with the data model or entity type definitions that do not properly define the expected input parameters.
  Code Issues: If there is custom code involved (e.g., in the DPC or MPC classes), it may not be handling the input parameters correctly.
  
  
  Solution:
  
  
  Check Service Definition:
  
  Go to transaction SEGW and open the relevant project.
  Verify that all input parameters