How To Fix BM026 - No unit defined with this conversion factor

SAP Error Message - Details

• Message type: E = Error

• Message class: BM - Development class BZME - units of measure

• Message number: 026

• Message text: No unit defined with this conversion factor

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BM026 - No unit defined with this conversion factor ?

  The SAP error message BM026: No unit defined with this conversion factor typically occurs in the context of material management or inventory management when there is an issue with unit of measure (UoM) conversions. This error indicates that the system cannot find a valid unit of measure that corresponds to the conversion factor specified in the transaction.
  Causes:
  
  Missing Unit of Measure Definition: The unit of measure you are trying to use may not be defined in the system.
  Incorrect Conversion Factor: The conversion factor provided may not correspond to any defined units of measure.
  Configuration Issues: There may be issues in the configuration of the material master or the unit of measure settings.
  Data Inconsistencies: There could be inconsistencies in the data related to the material master or the unit of measure settings.
  
  Solutions:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code OMN1 (or CUNI) to check the unit of measure settings.
  Ensure that the unit of measure you are trying to use is defined and active.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to display the material master data.
  Check the "Units of Measure" tab to ensure that the required units and conversion factors are correctly defined.
  
  
  
  Define Missing Units:
  
  If the required unit of measure is missing, you can define it using transaction code CUNI.
  Create the necessary unit of measure and define the conversion factors as needed.
  
  
  
  Check Conversion Factors:
  
  Ensure that the conversion factors between the units of measure are correctly defined in the material master.
  If you are using a custom unit of measure, ensure that it has been properly configured.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to unit of measure configuration for additional guidance.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  CUNI: Maintain Units of Measure
  OMN1: Define Units of Measure
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  User Roles: Ensure that you have the necessary permissions to view and edit unit of measure settings in SAP.
  
  By following these steps, you should be able to identify and resolve the cause of the BM026 error in SAP.