How To Fix ATP_SE043 - For material &1, conversion from BUoM &2 to BUoM &3 not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: ATP_SE - Message class for ATP-Services

• Message number: 043

• Message text: For material &1, conversion from BUoM &2 to BUoM &3 not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ATP_SE043 - For material &1, conversion from BUoM &2 to BUoM &3 not possible ?

  The SAP error message ATP_SE043 indicates that there is an issue with the conversion between different units of measure (UoM) for a specific material. This error typically arises in the context of Advanced ATP (Available-to-Promise) checks when the system is unable to convert the base unit of measure (BUoM) of a material into another unit of measure due to configuration or data issues.
  Cause:
  
  Missing Conversion Factors: The conversion factors between the base unit of measure and the target unit of measure may not be defined in the material master.
  Incorrect UoM Configuration: The units of measure may not be correctly configured in the system, leading to inconsistencies.
  Material Master Data Issues: The material master data may be incomplete or incorrect, particularly in the UoM section.
  Inconsistent UoM Usage: The system may be trying to use a UoM that is not valid for the material in question.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the UoM settings.
  Ensure that the base unit of measure and any alternative units of measure are correctly defined.
  
  
  
  Define Conversion Factors:
  
  If conversion factors are missing, you can define them in the material master under the "Units of Measure" view.
  Ensure that the conversion factors are accurate and reflect the correct relationship between the units.
  
  
  
  Review UoM Configuration:
  
  Check the configuration of units of measure in the system (transaction code OME1 for defining UoM).
  Ensure that the UoMs are set up correctly and that there are no inconsistencies.
  
  
  
  Check for Inactive UoMs:
  
  Ensure that the UoMs being used are active and not marked for deletion or inactive.
  
  
  
  Test the Conversion:
  
  After making any changes, test the conversion again to see if the error persists.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  OME1: Define Units of Measure
  MM02: Change Material Master (if you need to make adjustments)
  
  
  
  Documentation: Refer to SAP Help documentation for more details on unit of measure configuration and material master data management.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to ATP and UoM conversions.
  
  
  By following these steps, you should be able to resolve the ATP_SE043 error and ensure that the material can be processed correctly with the appropriate units of measure.