How To Fix RS_HCPR_MODEL153 - Unit field '&1' of quantity '&2' must not be an input parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_HCPR_MODEL - Messages related to the HANA Composite Provider Backend

• Message number: 153

• Message text: Unit field '&1' of quantity '&2' must not be an input parameter

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_HCPR_MODEL153 - Unit field '&1' of quantity '&2' must not be an input parameter ?

  The SAP error message RS_HCPR_MODEL153 indicates that there is an issue with the definition of a model in the context of SAP HANA Calculation Views or similar modeling scenarios. Specifically, the error states that a unit field (denoted as &1) associated with a quantity (denoted as &2) is incorrectly defined as an input parameter.
  Cause:
  This error typically arises when:
  
  A field that is defined as a unit of measure (UoM) is being treated as an input parameter in a calculation view or model.
  The system expects unit fields to be derived or calculated rather than provided as input parameters, as they are usually dependent on the context of the data being processed.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Model Definition:
  
  Open the calculation view or model where the error is occurring.
  Identify the field that is being flagged (the unit field) and check its properties.
  
  
  
  Modify Input Parameters:
  
  Ensure that the unit field is not defined as an input parameter. If it is, remove it from the input parameters list.
  Instead, ensure that the unit field is derived from the data model or calculated based on the quantity field.
  
  
  
  Adjust Data Types:
  
  Verify that the data types of the quantity and unit fields are correctly defined. The unit field should typically be a string or a specific type that represents the unit of measure.
  
  
  
  Rebuild the Model:
  
  If necessary, rebuild the model or calculation view to ensure that all fields are correctly defined and that the relationships between quantity and unit fields are properly established.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, test the model to ensure that the error no longer occurs and that the output is as expected.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP documentation on calculation views and modeling best practices for more detailed guidance on defining input parameters and unit fields.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the RS_HCPR_MODEL153 error and ensure that your model is correctly configured.