How To Fix /SAPAPO/PDRP255 - Invalid conversion from lot size unit to base unit: Loc. &1 Product &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PDRP -

• Message number: 255

• Message text: Invalid conversion from lot size unit to base unit: Loc. &1 Product &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PDRP255 - Invalid conversion from lot size unit to base unit: Loc. &1 Product &2 ?

  The SAP error message /SAPAPO/PDRP255 Invalid conversion from lot size unit to base unit: Loc. &1 Product &2 typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the conversion between lot size units and base units of measure for a specific product at a given location.
  Cause:
  
  
  Unit of Measure Configuration: The error often arises when the unit of measure (UoM) for the lot size is not properly defined or does not match the base unit of measure for the product. This can happen if the product's master data is not correctly set up.
  
  
  Missing or Incorrect Data: There may be missing or incorrect data in the product master or location master that prevents the system from performing the necessary conversions.
  
  
  Inconsistent Lot Size Settings: If the lot size settings in the planning book or in the product master do not align with the base unit of measure, this can lead to conversion issues.
  
  
  Solution:
  
  
  Check Product Master Data: 
  
  Go to the product master data in APO and verify the units of measure. Ensure that the base unit of measure and the lot size unit are correctly defined and consistent.
  Ensure that the lot size unit is defined in the product master and that it is valid for the product and location in question.
  
  
  
  Review Location Master Data: 
  
  Check the location master data to ensure that the product is correctly assigned to the location and that the relevant units of measure are defined.
  
  
  
  Adjust Lot Size Settings: 
  
  If necessary, adjust the lot size settings in the planning book or in the product master to ensure they are consistent with the base unit of measure.
  
  
  
  Check Customizing Settings: 
  
  Review the customizing settings for units of measure in the SAP system to ensure that they are correctly configured.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or help resources for specific guidance on unit of measure conversions and lot size settings.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/MAT1 (Product Master) or /SAPAPO/LOC1 (Location Master) to check and modify the relevant data.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  Support: If the issue persists after checking the above, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the error message /SAPAPO/PDRP255.