How To Fix K8021 - An overflow occurred during calculation of planned activity

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 021

• Message text: An overflow occurred during calculation of planned activity

What causes this issue?

You used <ZH>Activity -> Output</> to calculate plan activities from
the plan output 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 K8021 - An overflow occurred during calculation of planned activity ?

  The SAP error message K8021, which states "An overflow occurred during calculation of planned activity," typically occurs in the context of controlling (CO) and can be related to various calculations involving planned activities, such as cost planning or activity-based costing.
  Cause:
  The error is generally caused by one of the following issues:
  
  
  Data Overflow: The calculations involved in determining planned activities may exceed the maximum limit for numerical values in SAP. This can happen if the planned quantities or rates are excessively high.
  
  
  Incorrect Configuration: There may be issues with the configuration of the cost centers, activity types, or planning versions that lead to incorrect calculations.
  
  
  Data Integrity Issues: There may be inconsistencies or errors in the master data or transaction data that are being used in the calculations.
  
  
  Large Volume of Data: If the system is processing a large volume of data, it may lead to performance issues and potential overflows.
  
  
  Solution:
  To resolve the K8021 error, you can take the following steps:
  
  
  Check Input Values: Review the planned activity values, including quantities and rates, to ensure they are within reasonable limits. Adjust any values that are excessively high.
  
  
  Review Configuration: Check the configuration settings for cost centers, activity types, and planning versions. Ensure that they are set up correctly and that there are no discrepancies.
  
  
  Data Validation: Validate the master data and transaction data for any inconsistencies or errors. Correct any issues found in the data.
  
  
  Use Smaller Batches: If the error occurs during a mass processing operation, try processing the data in smaller batches to see if that resolves the issue.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as SAP may have released fixes for known issues.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be specific recommendations or patches available.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KP06 (Cost Center Planning) or KP26 (Activity Type Planning) to analyze and adjust planning data.
  Documentation: Review SAP documentation related to controlling and planning to understand the underlying processes and calculations.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the K8021 error and implement a solution to resolve it.