How To Fix NAA390 - Overflow, calculat. error or similar during conversion of unit &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 390

• Message text: Overflow, calculat. error or similar during conversion of unit &1 to &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NAA390 - Overflow, calculat. error or similar during conversion of unit &1 to &2 ?

  The SAP error message NAA390, which indicates an "Overflow, calculation error or similar during conversion of unit &1 to &2," typically occurs during unit conversion processes in SAP. This error can arise due to various reasons, including:
  Causes:
  
  Data Type Limitations: The values being converted may exceed the maximum limits of the data types used in the conversion process.
  Incorrect Unit Configuration: The units involved in the conversion may not be properly defined or configured in the system.
  Invalid Values: The source value being converted may be invalid or not within the expected range.
  Decimal Precision Issues: The precision of the decimal values may lead to overflow if the result exceeds the allowed number of decimal places.
  Unit of Measure (UoM) Settings: There may be issues with the settings of the units of measure in the system, such as missing conversion factors.
  
  Solutions:
  
  Check Data Values: Verify the values being converted to ensure they are within acceptable limits