How To Fix MAT_MESSAGES021 - UoM '&1': Conversion error '&2'

MAT_MESSAGES021 - Overview

• Message type: E = Error

• Message class: MAT_MESSAGES -

• Message number: 021

• Message text: UoM '&1': Conversion error '&2'

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 MAT_MESSAGES021 - UoM '&1': Conversion error '&2' ?

  The SAP error message MAT_MESSAGES021 indicates a unit of measure (UoM) conversion error. This typically occurs when there is an issue with converting quantities between different units of measure in the system. The error message format is as follows:
  
  UoM '&1': This part of the message specifies the unit of measure that is causing the issue.
  Conversion error '&2': This part provides additional details about the nature of the conversion error.
  
  Causes
  
  Missing Conversion Factors: The conversion factors between the specified UoMs may not be defined in the system.
  Incorrect UoM Configuration: The UoM may not be correctly configured in the material master or in the relevant settings.
  Inconsistent Data: There may be inconsistencies in the data related to the material, such as incorrect UoM assignments or missing data in the material master.
  Unit of Measure Group Issues: The UoM group assigned to the material may not include the necessary UoMs for conversion.
  
  Solutions
  
  
  Check UoM Configuration:
  
  Go to the