How To Fix GPSC012 - The Calc Scheme UOM does not match the Product UOM

SAP Error Message - Details

• Message type: E = Error

• Message class: GPSC - PSC Application

• Message number: 012

• Message text: The Calc Scheme UOM does not match the Product UOM

What causes this issue?

UoM used in Calculation Scheme does not much the one in PSC Product
master table

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please correct your entry

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 GPSC012 - The Calc Scheme UOM does not match the Product UOM ?

  The SAP error message GPSC012, which states "The Calc Scheme UOM does not match the Product UOM," typically occurs in the context of SAP Advanced Planning and Optimization (APO) or SAP Integrated Business Planning (IBP) when there is a mismatch between the unit of measure (UOM) defined in the calculation scheme and the UOM of the product being processed.
  Cause:
  
  Mismatch in UOMs: The most common cause of this error is that the unit of measure defined in the calculation scheme (e.g., for pricing, forecasting, or planning) does not match the unit of measure assigned to the product in the material master or product master data.
  Configuration Issues: There may be configuration issues in the calculation schema or the product master data that lead to this mismatch.
  Data Entry Errors: Incorrect data entry during the setup of the calculation scheme or product master can also lead to this error.
  
  Solution:
  
  
  Check Product Master Data:
  
  Go to the product master data in SAP and verify the unit of measure assigned to the product. Ensure that it is correctly defined and matches the expected UOM in the calculation scheme.
  
  
  
  Review Calculation Scheme:
  
  Check the calculation scheme configuration in the relevant transaction (e.g., in APO, you can check the configuration in the planning area). Ensure that the UOM defined in the calculation scheme aligns with the UOM of the product.
  
  
  
  Adjust UOM Settings:
  
  If there is a mismatch, you may need to adjust either the product's UOM or the calculation scheme's UOM to ensure they are consistent. This may involve changing the UOM in the product master or modifying the calculation scheme.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or configuration guides related to UOM settings in your specific SAP module (APO, IBP, etc.) for additional insights and best practices.
  
  
  
  Testing:
  
  After making changes, perform tests to ensure that the error is resolved and that the calculations are functioning as expected.
  
  
  
  Related Information:
  
  Unit of Measure (UOM): UOM is a standard measurement used to quantify products. In SAP, UOM can be defined at various levels, including material master, sales, and purchasing documents.
  Calculation Schemes: These are used in various SAP modules to define how calculations (like pricing, forecasting, etc.) are performed based on certain parameters.
  SAP Notes and Support: If the issue persists, consider checking SAP Notes for any known issues or patches related to this error message. You can also reach out to SAP support for assistance.
  
  By following these steps, you should be able to identify and resolve the GPSC012 error in your SAP system.