How To Fix MN646 - Error converting condition scale currency

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 646

• Message text: Error converting condition scale currency

What causes this issue?

An error has occurred during the conversion of the condition scale
currency. The source of this error is unknown.

System Response

The rebate arrangement was not extended.

How to fix this error?

Please extend the arrangement manually in order to determine the source
of the error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN646 - Error converting condition scale currency ?

  The SAP error message MN646, which states "Error converting condition scale currency," typically occurs in the context of pricing and condition records in SAP. This error indicates that there is an issue with the currency conversion for a condition scale, which can happen during pricing calculations or when processing sales orders, purchase orders, or other transactions that involve pricing conditions.
  Causes:
  
  Currency Mismatch: The currency of the condition record does not match the currency of the transaction or the master data (e.g., customer or vendor).
  Missing Exchange Rate: There may be no exchange rate defined for the currencies involved in the transaction.
  Incorrect Configuration: The configuration settings for currency conversion in the pricing procedure may not be set up correctly.
  Data Inconsistencies: There may be inconsistencies in the master data or condition records that lead to the error.
  
  Solutions:
  
  
  Check Currency Settings:
  
  Verify that the currency of the condition record matches the currency of the transaction. If they are different, you may need to adjust the condition record or the transaction currency.
  
  
  
  Define Exchange Rates:
  
  Ensure that the necessary exchange rates are defined in the system. You can do this by navigating to the transaction code OB08 (Maintain Exchange Rates) and checking if the exchange rate between the currencies in question is maintained.
  
  
  
  Review Condition Records:
  
  Check the condition records for the relevant pricing conditions. Ensure that they are correctly maintained and that the currency is appropriate for the transaction.
  
  
  
  Check Pricing Procedure:
  
  Review the pricing procedure configuration to ensure that it is set up correctly to handle currency conversions. This can be done in the SPRO transaction under Sales and Distribution > Basic Functions > Pricing > Pricing Control.
  
  
  
  Data Consistency:
  
  Run consistency checks on the master data (e.g., customer or vendor master records) to ensure that there are no discrepancies that could lead to this error.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  OB08 (Maintain Exchange Rates)
  VK11/VK12 (Create/Change Condition Records)
  MEK1/MEK2 (Create/Change Conditions for Purchasing)
  
  
  
  Documentation: 
  
  SAP Help Portal and SAP Community can provide additional insights and user experiences related to this error.
  
  
  
  Support: 
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  By following these steps, you should be able to identify and resolve the cause of the MN646 error in your SAP system.