How To Fix MN559 - Overflow, calculation error or similar during unit conversion

MN559 - Overview

• Message type: E = Error

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

• Message number: 559

• Message text: Overflow, calculation error or similar during unit conversion

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN559 - Overflow, calculation error or similar during unit conversion ?

  The SAP error message MN559, which indicates an "Overflow, calculation error or similar during unit conversion," typically occurs during processes that involve unit conversions, such as in inventory management, production planning, or when handling material movements. This error can arise due to various reasons, including incorrect unit definitions, data inconsistencies, or issues with the underlying calculations.
  Causes of MN559 Error
  
  
  Incorrect Unit Definitions: If the units of measure (UoM) are not defined correctly in the system, it can lead to calculation errors during conversions.
  
  
  Overflow in Calculations: This can happen if the values being processed exceed the maximum limits that can be handled by the system, especially in cases of large quantities or high precision.
  
  
  Data Inconsistencies: If there are inconsistencies in the master data (e.g., material master, unit of measure settings), it can lead to errors during calculations.
  
  
  
  Configuration Issues: Incorrect configuration in the material management or production planning modules can also lead to