How To Fix RFAC_QUICKFIX305 - Add unit annotation for field '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: RFAC_QUICKFIX - Refactoring Messages

• Message number: 305

• Message text: Add unit annotation for field '&1'

What causes this issue?

System Response

Generate empty unit annotation:
...
@Semantics.quantity.unitOfMeasure : ''
...

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RFAC_QUICKFIX305 - Add unit annotation for field '&1' ?

  The SAP error message RFAC_QUICKFIX305, which states "Add unit annotation for field '&1'", typically occurs in the context of SAP Fiori or SAP S/4HANA applications when there is a missing unit of measure (UoM) annotation for a field that is expected to have one. This is particularly relevant in scenarios where the application is trying to display or process data that involves quantities, and the system requires a unit of measure to interpret these quantities correctly.
  Cause:
  The error is caused by the absence of a unit annotation for a specific field in the data model. This can happen due to:
  
  Missing or incomplete metadata definitions in the OData service.
  The field in question is expected to represent a quantity but does not have an associated unit of measure defined in the annotations.
  
  Solution:
  To resolve this error, you need to add the appropriate unit annotation for the specified field. Here are the steps to do this:
  
  
  Identify the Field: Determine which field is causing the error (indicated by &1 in the error message).
  
  
  Check the OData Service: 
  
  Go to the OData service that is being used in your application.
  Check the metadata (usually accessible via the service URL with $metadata appended) to see the definition of the field.
  
  
  
  Add Unit Annotation:
  
  If you have access to the backend (ABAP layer), you may need to modify the data model or the OData service to include the unit annotation.
  You can do this by using the @Unit annotation in the ABAP CDS view or the OData service definition. For example:
  @AbapCatalog.sqlViewName: 'ZYOUR_VIEW'
  @EndUserText.label: 'Your View'
  define view ZYourView as select from your_table
  {
      key field1,
      field2,
      field3,
      field4,
      field5,
      @Unit: 'YOUR_UNIT'  // Add this line for the field that needs a unit
      field_with_quantity
  }
  
  
  
  
  Re-generate the OData Service: After making changes to the CDS view or data model, you may need to re-generate the OData service and activate it.
  
  
  Test the Application: Once the changes are made, test the application again to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for OData services and annotations for more detailed guidance on how to define and use unit annotations.
  SAP Community: You can also check the SAP Community forums for discussions related to this error, as other users may have encountered and resolved similar issues.
  Debugging Tools: Use transaction codes like /IWFND/ERROR_LOG to check for additional error details and logs related to the OData service.
  
  By following these steps, you should be able to resolve the RFAC_QUICKFIX305 error and ensure that your application can correctly handle fields that require unit annotations.