How To Fix RM181 - Error converting the creation unit of measure

RM181 - Overview

• Message type: E = Error

• Message class: RM - Messages for Repetitive Manufacturing

• Message number: 181

• Message text: Error converting the creation unit of measure

What causes this issue?

The specified unit of entry does not correspond to the base unit of
measure. The system cannot convert it to the base unit of measure as
the conversions factors have not been maintained in the material master
record nor has the unit of measure been defined in the Table containing
the unit of measurements.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Either enter another unit of measure or enter the conversion factor in
the material master record.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RM181 - Error converting the creation unit of measure ?

  The SAP error message RM181, which states "Error converting the creation unit of measure," typically occurs when there is an issue with the conversion between different units of measure (UoM) in the context of material management or inventory management processes. This error can arise in various scenarios, such as during the creation of a material, when processing goods movements, or when performing inventory counts.
  Causes of RM181 Error
  
  
  Incorrect Unit of Measure Configuration: The unit of measure settings for the material may not be correctly defined in the material master. This includes the base unit of measure and any alternative units of measure.
  
  
  Missing Conversion Factors: If the conversion factors between the base unit of measure and the alternative units of measure are not defined or are incorrect, this can lead to conversion errors.
  
  
  Inconsistent Data: There may be inconsistencies in the data related to the material, such as discrepancies between the material master