How To Fix /SAPAPO/FCST255 - Arithmetic Overflow - value lies outside the permitted range

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/FCST -

• Message number: 255

• Message text: Arithmetic Overflow - value lies outside the permitted range

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 /SAPAPO/FCST255 - Arithmetic Overflow - value lies outside the permitted range ?

  The SAP error message /SAPAPO/FCST255 Arithmetic Overflow - value lies outside the permitted range typically occurs in the context of SAP Advanced Planning and Optimization (APO) when dealing with forecast data. This error indicates that a numerical value being processed exceeds the allowable limits for the data type being used, leading to an arithmetic overflow.
  Causes:
  
  Data Type Limitations: The value being processed may exceed the maximum limit of the data type (e.g., integer, float) defined in the system.
  Incorrect Data Input: There may be erroneous or unexpected data inputs that are not within the expected range.
  Calculation Errors: During calculations (e.g., aggregations, multiplications), the resulting value may exceed the maximum limit.
  Configuration Issues: Incorrect configuration settings in the forecasting model or parameters may lead to unexpected results.
  
  Solutions:
  
  Check Input Data: Review the input data for any anomalies or values that are excessively high. Ensure that the data being processed is within the expected range.
  Adjust Data Types: If possible, consider changing the data type to one that can accommodate larger values. This may involve adjustments in the database or data model.
  Review Forecasting Parameters: Check the configuration of the forecasting model and parameters to ensure they are set correctly and are appropriate for the data being processed.
  Error Handling: Implement error handling in your forecasting logic to catch and manage values that may lead to overflow before they cause an error.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of APO you are using for any known issues or patches that may address this error.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a bug or requires deeper investigation.
  
  Related Information:
  
  Data Types in SAP: Familiarize yourself with the data types used in SAP APO and their limits. This can help in understanding where the overflow might be occurring.
  SAP Notes: Search for relevant SAP Notes that may provide additional insights or solutions specific to your version of SAP APO.
  Testing: Conduct tests with smaller datasets to identify if the issue is related to specific data points or a general overflow issue.
  
  By following these steps, you should be able to identify the cause of the arithmetic overflow error and implement a suitable solution.