How To Fix K8020 - An overflow occurred during calculation of output

K8020 - Overview

• Message type: E = Error

• Message class: K8 - CO Planning: Messages for Function Group KAPP

• Message number: 020

• Message text: An overflow occurred during calculation of output

What causes this issue?

You used <ZH>Activity -> Output</> to calculate the plan output from
plan activities with the help of the output factor.
During the calculation, the combination
&V1&
&V2&
resulted in an overflow in period &V3&. The results would no longer fit
in the affected databank field.

System Response

Processing is terminated

How to fix this error?

Revise your entries, or avoid executing the function for this
combination.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message K8020 - An overflow occurred during calculation of output ?

  The SAP error message K8020, which states "An overflow occurred during calculation of output," typically occurs in the context of cost accounting or controlling modules when the system attempts to perform a calculation that exceeds the maximum limit for a numeric field. This can happen in various scenarios, such as during the execution of cost center accounting, internal orders, or when processing allocations.
  Causes:
  
  Data Type Limitations: The error often arises when the result of a calculation exceeds the maximum value that can be stored in the data type used (e.g., integer, decimal).
  Incorrect Configuration: Misconfiguration in the settings for cost elements, cost centers, or internal orders can lead to unexpected calculations.
  Large Values: Input data that contains unusually large values or a high volume of transactions can trigger this overflow.
  Custom Code: If there are custom ABAP programs or enhancements that perform calculations, they may not handle large values correctly.
  
  Solutions:
  
  Review Input Data: Check the