How To Fix KP231 - System error: number overflow in posting line

SAP Error Message - Details

• Message type: E = Error

• Message class: KP - CO-OM Planning

• Message number: 231

• Message text: System error: number overflow in posting line

What causes this issue?

A system error occurred during editing of the line items for updates in
activity price iteration. The maximum number of rows has been exceeded.

System Response

Values are not updated in order to prevent line items being used twice.

How to fix this error?

Inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KP231 - System error: number overflow in posting line ?

  The SAP error message KP231 ("System error: number overflow in posting line") typically occurs during the posting of a transaction in the Controlling (CO) module, particularly when dealing with cost center accounting or internal orders. This error indicates that a numerical value being processed exceeds the allowable limits defined in the system, leading to an overflow condition.
  Causes:
  
  
  Exceeding Data Type Limits: The error often arises when a value being posted (such as costs, quantities, or amounts) exceeds the maximum limit for the data type defined in the SAP system. For example, if a cost center is trying to post a very large amount that exceeds the maximum value for a numeric field.
  
  
  Incorrect Configuration: Sometimes, the configuration of the cost center or internal order may not be set up correctly, leading to unexpected values being processed.
  
  
  Data Corruption: In rare cases, data corruption in the database or inconsistencies in the master data can lead to this error.
  
  
  Calculation Errors: If there are calculations involved in the posting (like allocations or distributions), an error in the logic or data can lead to an overflow.
  
  
  Solutions:
  
  
  Check the Values Being Posted: Review the values being posted to ensure they are within acceptable limits. If you are trying to post a very large amount, consider breaking it down into smaller transactions.
  
  
  Review Configuration: Check the configuration settings for the cost center or internal order. Ensure that all settings are correct and that there are no limits set that could cause an overflow.
  
  
  Data Validation: Validate the master data associated with the transaction. Ensure that there are no inconsistencies or corrupt data entries.
  
  
  Debugging: If you have access to debugging tools, you can analyze the program logic to identify where the overflow is occurring. This may require the assistance of a developer or SAP support.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to this error.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including transaction codes, data being posted, and any relevant logs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the CO module, such as KP06 (Cost Center Planning), KSB1 (Cost Centers: Actual Line Items), and others that may be involved in the posting process.
  Data Types: Understand the data types used in your SAP system, especially for financial postings, to better grasp the limits and constraints.
  Testing Environment: If possible, replicate the issue in a testing environment to analyze the problem without affecting production data.
  
  By following these steps, you should be able to identify and resolve the KP231 error in your SAP system.