How To Fix M2480 - &: Conversion of source unit & to unit & not allowed

M2480 - Overview

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 480

• Message text: &: Conversion of source unit & to unit & not allowed

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 M2480 - &: Conversion of source unit & to unit & not allowed ?

  The SAP error message M2480 indicates that there is an issue with the conversion of units in a material document or transaction. This error typically arises when the system attempts to convert a source unit of measure (UoM) to a target unit of measure, but the conversion is not defined or allowed in the system.
  
  Cause:
  
  Missing Unit of Measure Conversion: The most common cause is that there is no conversion factor defined between the source unit and the target unit in the system.
  Incorrect Unit of Measure: The units being used may not be compatible or may not exist in the system.
  
  Configuration Issues: There may be issues in the configuration of the material master or the unit of measure settings in the SAP system.
  Data Entry Errors: Incorrect data entry during the transaction can lead to this error.
  
  
  Solution:
  
  
  Check Unit of Measure Settings:
  
  Go to the transaction code OMN1 (for maintaining units of measure) and