How To Fix /IWBEP/CM_V4_MED146 - Precision/scale combination invalid for parameter '&1' of operation '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 146

• Message text: Precision/scale combination invalid for parameter '&1' of operation '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED146 - Precision/scale combination invalid for parameter '&1' of operation '&2' ?

  The SAP error message /IWBEP/CM_V4_MED146 indicates that there is an issue with the precision and scale combination for a parameter in an OData service operation. This typically occurs when the data type defined for a parameter in the OData service does not match the expected precision and scale defined in the underlying data model or database.
  Cause:
  
  Data Type Mismatch: The parameter in the OData service is defined with a precision and scale that is not compatible with the underlying data type in the database or the data model.
  Incorrect Metadata: The metadata for the OData service may not be correctly defined, leading to discrepancies in how the parameters are interpreted.
  Model Changes: If there have been recent changes to the data model (e.g., changes in the database schema), the OData service may not have been updated accordingly.
  
  Solution:
  
  
  Check Data Model: Review the data model and ensure that the precision and scale for the parameter in question are correctly defined. For example, if the parameter is defined as a decimal, ensure that the precision (total number of digits) and scale (number of digits after the decimal point) are appropriate.
  
  
  Update OData Service: If there have been changes to the underlying data model, regenerate or update the OData service to reflect these changes. This can often be done through the SAP Gateway Service Builder (transaction code SEGW).
  
  
  Adjust Metadata: If the metadata is incorrect, you may need to manually adjust the metadata definitions in the OData service to ensure that they match the expected precision and scale.
  
  
  Testing: After making changes, test the OData service to ensure that the error no longer occurs. Use tools like Postman or the SAP Gateway Client to test the service.
  
  
  Consult Documentation: Refer to SAP documentation for specific guidelines on defining precision and scale for data types in OData services.
  
  
  Related Information:
  
  OData Services: Understanding how OData services work in SAP and how they interact with the underlying data model is crucial for troubleshooting this error.
  Data Types in ABAP: Familiarize yourself with the different data types in ABAP and their corresponding precision and scale settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling precision and scale issues in OData services.
  
  By following these steps, you should be able to resolve the error message /IWBEP/CM_V4_MED146 and ensure that your OData service operates correctly.