How To Fix NAA105 - Error during conversion of billing unit &1 to condition unit &2

SAP Error Message - Details

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 105

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

What causes this issue?

Conversion of billing unit &V1& to condition unit &V2& of the condition
basis is not possible.

System Response

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

How to fix this error?

Ensure that the system is able to determine the business volume in the
form given above.
A suitable conversion unit for this should be determined in the material
master (alternative unit of measure) or info record. The system tried to
carry out the conversion using this data (material master, info record),
but failed.
If necessary, contact your system administrator.

If you have the necessary authorization, you can maintain the material
master directly.
AUFRUF DER TRANSAKTION MATERIALSTAMM AENDERN

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

<DS:TRAN.MM02>Perform function</>
If you have the necessary authorization, you can maintain the info
record directly.
AUFRUF DER TRANSAKTION INFOSATZ AENDERN
<DS:TRAN.ME12>Perform function</>
ENDIF
The supplier billing document concerned has number &V3&, item &V4&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message NAA105 - Error during conversion of billing unit &1 to condition unit &2 ?

  The SAP error message NAA105, which states "Error during conversion of billing unit &1 to condition unit &2," typically occurs in the context of pricing and billing in SAP. This error indicates that there is an issue with the conversion of units of measure (UoM) between the billing unit and the condition unit in a pricing procedure.
  Cause:
  
  
  Unit of Measure Configuration: The error often arises when there is a mismatch or incorrect configuration in the units of measure. This can happen if the conversion factors between the billing unit and the condition unit are not defined properly in the system.
  
  
  Missing Conversion Factors: If the conversion factors for the units of measure are not maintained in the system, SAP will not be able to convert the billing unit to the condition unit, leading to this error.
  
  
  Incorrect Master Data: The master data for materials, customers, or pricing conditions may have incorrect or inconsistent unit of measure settings.
  
  
  Pricing Procedure Issues: The pricing procedure may not be set up correctly to handle the conversion between the specified units.
  
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) and verify that the conversion factors between the billing unit and the condition unit are correctly defined.
  Ensure that the units of measure are correctly maintained in the material master and other relevant master data.
  
  
  
  Maintain Conversion Factors:
  
  If conversion factors are missing, you can add them in the same transaction (CUNI). Make sure to define the conversion from the billing unit to the condition unit.
  
  
  
  Review Master Data:
  
  Check the material master (transaction code MM03) and ensure that the units of measure are correctly set up.
  Review the customer master (transaction code XD03) to ensure that the billing unit is correctly defined.
  
  
  
  Check Pricing Procedure:
  
  Review the pricing procedure configuration in transaction code V/08 to ensure that it is set up to handle the conversion correctly.
  Ensure that the condition types involved in the pricing procedure are configured to use the correct units of measure.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test transaction to see if the error persists. 
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CUNI: Unit of Measure Conversion
  MM03: Display Material
  XD03: Display Customer
  V/08: Maintain Pricing Procedures
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on unit of measure settings and pricing procedures.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to identify and resolve the cause of the NAA105 error in your SAP system.