How To Fix /IWBEP/CM_V4_MED155 - Precision value invalid on parameter '&1' of operation '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 155

• Message text: Precision value invalid on 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_MED155 - Precision value invalid on parameter '&1' of operation '&2' ?

  The SAP error message /IWBEP/CM_V4_MED155 Precision value invalid on parameter '&1' of operation '&2' typically occurs in the context of OData services when there is an issue with the precision of a numeric parameter being passed in a request. This error is related to the OData protocol and the way it handles data types, particularly for decimal or floating-point numbers.
  Cause:
  
  Invalid Precision: The precision value specified for a numeric parameter exceeds the allowed limits defined in the OData service. This can happen if the client sends a value with too many decimal places or if the data type defined in the service does not support the precision of the incoming value.
  Mismatch in Data Types: The data type of the parameter in the OData service may not match the data type of the value being sent in the request. For example, if the service expects a decimal with a precision of 2, but the client sends a value with 4 decimal places, this error can occur.
  Service Definition Issues: There may be issues in the service definition (e.g., in the metadata) that do not correctly specify the precision and scale for numeric types.
  
  Solution:
  
  Check the Request: Review the request being sent to the OData service. Ensure that the numeric parameters conform to the expected precision and scale defined in the service.
  Adjust Precision: If you are sending a value with too many decimal places, round it to fit the expected precision. For example, if the service expects a precision of 2, ensure that the value has at most 2 decimal places.
  Review Service Metadata: Check the OData service metadata (usually accessible via a URL like .../$metadata) to understand the expected data types and their precision. Make sure that the client application is aligned with these definitions.
  Modify Service Definition: If you have control over the OData service, consider modifying the service definition to accommodate the required precision if it is appropriate for your use case.
  Error Handling: Implement error handling in the client application to catch such errors and provide meaningful feedback to users.
  
  Related Information:
  
  OData Protocol: Understanding the OData protocol and how it handles data types can help in troubleshooting such issues.
  SAP Gateway: Familiarize yourself with SAP Gateway and how it manages OData services, including the configuration of data types and their properties.
  SAP Notes: Check for any relevant SAP Notes or documentation that may address known issues or provide guidance on handling precision-related errors in OData services.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.