How To Fix /SAPAPO/CLPRP034 - Conversion of external unit &1 to internal unit &2 not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CLPRP -

• Message number: 034

• Message text: Conversion of external unit &1 to internal unit &2 not possible

Self-Explanatory Message

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• What is the cause and solution for SAP error message /SAPAPO/CLPRP034 - Conversion of external unit &1 to internal unit &2 not possible ?

  The SAP error message /SAPAPO/CLPRP034 Conversion of external unit &1 to internal unit &2 not possible typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with unit conversion between external and internal units of measure. This can happen in various scenarios, such as during the planning process, when processing data, or when executing transactions that involve unit conversions.
  Cause:
  
  Unit of Measure Configuration: The external unit of measure (UoM) being used is not properly configured in the system, or it does not have a corresponding internal unit of measure.
  Missing Conversion Factors: There may be no defined conversion factors between the external and internal units of measure in the system.
  Data Inconsistencies: The data being processed may contain inconsistencies, such as incorrect or unsupported units of measure.
  Master Data Issues: The material master or other relevant master data may not have the necessary unit of measure settings.
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) in SAP.
  Verify that the external unit of measure (UoM) and the internal UoM are correctly defined and that there is a valid conversion factor between them.
  
  
  
  Define Conversion Factors:
  
  If the conversion factors are missing, you can define them in the same transaction (CUNI).
  Ensure that the conversion factors are accurate and reflect the correct relationship between the units.
  
  
  
  Review Master Data:
  
  Check the material master data using transaction code MM03 to ensure that the units of measure are correctly assigned.
  Ensure that the relevant UoMs are maintained in the material master under the "Units of Measure" tab.
  
  
  
  Data Validation:
  
  Validate the data being processed to ensure that it does not contain unsupported or incorrect units of measure.
  If the error occurs during a specific transaction, review the input data for any discrepancies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on unit of measure configuration and troubleshooting.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CUNI: Unit of Measure Conversion
  MM03: Display Material Master
  C223: Maintain Unit of Measure Conversion
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to unit conversion errors in APO.
  
  
  Support: If the issue persists after checking the above points, 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/CLPRP034.