How To Fix WS485 - No conversion factors for &1 &2 and exchange rate type &3 and date &4

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 485

• Message text: No conversion factors for &1 &2 and exchange rate type &3 and date &4

Self-Explanatory Message

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• What is the cause and solution for SAP error message WS485 - No conversion factors for &1 &2 and exchange rate type &3 and date &4 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WS485 No conversion factors for &1 &2 and exchange rate type &3 and date &4
  
  Meaning / Cause:
  This error occurs when SAP tries to perform a currency conversion or unit of measure conversion but cannot find the required conversion factor for the specified parameters:
  
  &1 = From currency or unit of measure  
  &2 = To currency or unit of measure  
  &3 = Exchange rate type (for currency conversion) or conversion type  
  &4 = Date for which the conversion factor is required
  
  In other words, SAP is missing the exchange rate or conversion factor for the given currency pair or unit of measure pair, for the specified exchange rate type and date.
  
  Common Scenarios:
  
  Currency conversion during invoice posting, payment, or financial document processing.
  Unit of measure conversion during goods movement or inventory valuation.
  Exchange rate type used (e.g., M = average rate, B = bank buying rate) does not have a valid rate maintained for the date.
  The date for conversion is outside the range of maintained exchange rates.
  Missing or incorrect exchange rate maintenance in SAP.
  
  
  Solution / How to Fix:
  
  
  Check Exchange Rates:
  
  Go to transaction OB08 (Maintain Exchange Rates).
  Verify if the exchange rate between the two currencies (&1 and &2) exists for the exchange rate type (&3) and the date (&4).
  If missing, maintain the correct exchange rate for the required date.
  
  
  
  Check Unit of Measure Conversion Factors:
  
  If the error relates to unit of measure conversion, check the conversion factors in CUNI (Units of Measure).
  Ensure that the conversion factor between the two units (&1 and &2) is maintained.
  
  
  
  Check Exchange Rate Type:
  
  Confirm that the exchange rate type (&3) is correctly configured and used in the relevant transaction.
  Sometimes, the system expects a specific exchange rate type that is not maintained.
  
  
  
  Check Date Validity:
  
  Ensure the date (&4) for which the conversion is requested falls within the validity period of the exchange rate or conversion factor.
  If the date is outside the maintained range, extend the validity or add new rates.
  
  
  
  Automatic Exchange Rate Updates:
  
  If your system uses automatic exchange rate updates (e.g., via external services or batch jobs), verify that the update has run successfully and rates are current.
  
  
  
  Check Customizing Settings:
  
  In some cases, the error may be due to incorrect configuration in currency or unit of measure settings.
  Review relevant IMG paths:
  
  For currency exchange rates: Financial Accounting ? Financial Accounting Global Settings ? Currencies ? Enter Exchange Rates
  For units of measure: Logistics ? General ? Units of Measure ? Define Units of Measure
  
  
  
  
  
  
  Additional Information:
  
  
  Transaction Codes:
  
  OB08 – Maintain Exchange Rates
  CUNI – Units of Measure
  OBBS – Define Exchange Rate Types
  MIGO/MB1A/MB1B – Goods movements (may trigger unit conversions)
  FB50/FB60 – Financial postings (may trigger currency conversions)
  
  
  
  Notes:
  
  Always ensure exchange rates are maintained before posting documents that require currency conversion.
  For historical documents, maintain exchange rates for past dates as needed.
  If you use multiple exchange rate types, ensure the correct one is assigned and maintained.
  
  
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Missing exchange rate or conversion factor for given currencies/units, exchange rate type, and date
  
  
  Solution
  Maintain exchange rates in OB08 or conversion factors in CUNI for the specified parameters
  
  
  Check
  Exchange rate type, date validity, customizing settings
  
  
  Related Transactions
  OB08, CUNI, OBBS
  
  
  
  
  If you provide the exact values for &1, &2, &3, and &4, I can help you with more specific guidance.