How To Fix NAA554 - Error during conversion of unit of measure &1 to condition unit &2

NAA554 - Overview

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 554

• Message text: Error during conversion of unit of measure &1 to condition unit &2

What causes this issue?

You cannot convert unit of measure &V1& to the condition unit measure of
the condition basis.

System Response

The business volume data cannot be updated, as the business volume for
the condition basis is missing.

How to fix this error?

Ensure that the system can define the business volume in the format
given above.
You must define a suitable unit conversion in the material master for
this (alternative unit of measure) or info record. The system tried
unsuccessfully to carry out the above conversion with this data (info
record, material master).
Remember that material data and info records may be missing in customer
settlements making it impossible to carry out conversions.
Contact your system administrator.

If you have the relevant authorization, you can maintain the material
master now.
CHANGE THE MATERIAL MASTER TRANSACTION CALL
<DS:TRAN.MM02>EXECUTE FUNCTION</>
If you have the relevant authorization, you can maintain the info record
now.
CHANGE THE INFO RECORD TRANSACTION CALL
<DS:TRAN.ME12>EXECUTE FUNCTION</>
ENDIF
The customer settlement concerned has number &V3&, item &V4&.

Error message extract from SAP system. Copyright SAP SE.

NAA554 - Details

• The SAP error message NAA554, which states "Error during conversion of unit of measure &1 to condition unit &2," typically occurs in the context of pricing or condition records where there is a mismatch or issue with the units of measure being used. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  
  Unit of Measure Mismatch: The error usually arises when there is an attempt to convert a unit of measure (UoM) that is not compatible with the expected condition unit. For example, trying to convert from "liters" to "gallons" without a proper conversion factor defined.
  
  
  Missing Conversion Factors: If the conversion factors between the units of measure are not defined in the system, SAP will not be able to perform the conversion.
  
  
  Incorrect Master Data: The material master or condition records may have incorrect or incomplete data regarding units of measure.
  
  
  
  Configuration Issues: There may be issues in the configuration of