How To Fix CO851 - Error while converting order unit of measure &1

CO851 - Overview

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 851

• Message text: Error while converting order unit of measure &1

What causes this issue?

An error occurred when the order quantity was being converted from &V1&
to the header unit &V2&.

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?

Check the settings in measurement unit maintenance.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CO851 - Error while converting order unit of measure &1 ?

  The SAP error message CO851, which states "Error while converting order unit of measure &1," typically occurs in the context of production orders or other related processes where unit of measure (UoM) conversions are involved. This error indicates that there is an issue with converting the order's unit of measure to the required unit of measure for processing.
  Causes of CO851 Error
  
  
  Incorrect Unit of Measure Configuration: The unit of measure for the material or order may not be correctly defined in the system. This can include missing conversion factors or incorrect settings in the material master.
  
  
  Missing Conversion Factors: If the conversion factors between the base unit of measure and the order unit of measure are not defined, the system will not be able to perform the conversion.
  
  
  Inconsistent Data: There may be inconsistencies in the data related to the material, such as the unit of measure settings in the material master or