How To Fix RTST_OP020 - Quantity conversion between units &2 and &3 not possible for product &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RTST_OP - Messages for Retail Store Order Products application

• Message number: 020

• Message text: Quantity conversion between units &2 and &3 not possible for product &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RTST_OP020 - Quantity conversion between units &2 and &3 not possible for product &1 ?

  The SAP error message RTST_OP020 indicates that there is an issue with quantity conversion between two different units of measure (UoM) for a specific product. This error typically arises in scenarios where the system is unable to convert quantities from one unit to another due to missing or incorrect configuration.
  Cause:
  
  Missing Unit of Measure Conversion: The conversion factors between the two units of measure (e.g., from kilograms to pounds) are not defined in the system.
  Incorrect Configuration: The units of measure may not be properly configured in the material master or the relevant settings in the SAP system.
  Inactive or Incorrect UoM: The units of measure involved may be inactive or incorrectly set up in the system.
  Product Not Defined: The product for which the conversion is being attempted may not have the necessary data or may not be defined correctly in the system.
  
  Solution:
  
  
  Check Unit of Measure Settings:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) in SAP.
  Verify that the conversion factors between the two units of measure are defined correctly.
  If they are missing, create the necessary conversion entries.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to display the material master for the product in question.
  Check the units of measure section to ensure that the relevant units are maintained and that the base unit of measure is correctly defined.
  
  
  
  Check UoM Configuration:
  
  Ensure that the units of measure are active and correctly configured in the system.
  You can check this in the configuration settings under Logistics > General > Master Data > Units of Measure.
  
  
  
  Validate Product Definition:
  
  Ensure that the product is correctly defined in the system and that all necessary data is maintained.
  If the product is newly created, ensure that all relevant data has been entered.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or reach out to your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: CUNI (Unit of Measure Conversion), MM03 (Display Material), MM02 (Change Material), and MM01 (Create Material).
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to unit of measure conversions.
  User Roles: Ensure that you have the necessary authorizations to view and modify unit of measure settings and material master data.
  
  By following these steps, you should be able to resolve the RTST_OP020 error and ensure that quantity conversions between units of measure are functioning correctly in your SAP system.