How To Fix PRC_MESSAGES650 - Unit of measure &1 cannot be converted to unit of measure &2

SAP Error Message - Details

• Message type: E = Error

• Message class: PRC_MESSAGES -

• Message number: 650

• Message text: Unit of measure &1 cannot be converted to unit of measure &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PRC_MESSAGES650 - Unit of measure &1 cannot be converted to unit of measure &2 ?

  The SAP error message PRC_MESSAGES650 indicates that there is an issue with the conversion between two units of measure (UoM) in a procurement or pricing context. This error typically arises when the system is unable to convert a specified unit of measure (UoM) to another due to a lack of conversion factors or incompatible units.
  Cause:
  
  Missing Conversion Factors: The most common cause is that there are no defined conversion factors between the two units of measure in the system.
  Incompatible Units: The units of measure may not be compatible for conversion. For example, trying to convert between a weight unit (like kilograms) and a volume unit (like liters) without a defined relationship.
  Incorrect Configuration: The configuration settings for units of measure in the material master or other related settings may be incorrect or incomplete.
  Data Entry Errors: There may be a mistake in the data entry where the wrong unit of measure is being used.
  
  Solution:
  
  
  Check Conversion Factors:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) in SAP.
  Verify if there are conversion factors defined between the two units of measure in question. If not, you may need to create a new conversion entry.
  
  
  
  Review Material Master:
  
  Check the material master data (transaction code MM03) for the material involved. Ensure that the units of measure are correctly defined and that the base unit of measure is set appropriately.
  
  
  
  Verify UoM Configuration:
  
  Ensure that the units of measure are correctly configured in the system. This includes checking the settings in the customizing (transaction code SPRO) under Logistics - General > Material Master > Basic Settings > Units of Measure.
  
  
  
  Check for Data Entry Errors:
  
  Review the transaction or document where the error occurred to ensure that the correct units of measure are being used.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or reach out to your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Unit of Measure Types: Understand the different types of units of measure (e.g., base unit, alternative unit, sales unit) and how they relate to each other.
  Material Master Data: Familiarize yourself with how units of measure are defined in the material master and their impact on procurement and inventory processes.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to unit of measure conversions.
  
  By following these steps, you should be able to identify and resolve the issue causing the PRC_MESSAGES650 error in SAP.