How To Fix KE771 - Fatal error during conversion

SAP Error Message - Details

• Message type: E = Error

• Message class: KE -

• Message number: 771

• Message text: Fatal error during conversion

What causes this issue?

The conversion program has come up against a situation containing
errors.

System Response

This situation causes the system to terminate the program.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KE771 - Fatal error during conversion ?

  The SAP error message KE771, which states "Fatal error during conversion," typically occurs in the context of CO (Controlling) module transactions, particularly when dealing with cost center accounting, internal orders, or profitability analysis. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the underlying database.
  Causes of KE771 Error
  
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the master data or transaction data.
  
  
  Configuration Issues: Incorrect configuration settings in the controlling area, cost centers, or internal orders can lead to conversion errors.
  
  
  Database Issues: Problems with the database, such as corruption or issues with the underlying data structure, can trigger this error.
  
  
  Authorizations: Lack of proper authorizations for the user executing the transaction can also lead to errors during data processing.
  
  
  Program Errors: Bugs or issues in the custom ABAP programs or enhancements that manipulate CO data can cause this error.
  
  
  Solutions to KE771 Error
  
  
  Check Data Consistency:
  
  Use transaction codes like KAH3 (Display Cost Center) or KSB1 (Cost Centers: Actual Line Items) to verify the integrity of the data.
  Look for any missing or incorrect entries in the relevant master data.
  
  
  
  Review Configuration:
  
  Ensure that the configuration settings for the controlling area, cost centers, and internal orders are correct.
  Check the settings in transaction OKKP (Controlling Area) and OKB9 (Define Cost Elements).
  
  
  
  Database Check:
  
  Perform a database consistency check to identify any potential issues.
  Consult with your database administrator to ensure that the database is functioning correctly.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to execute the transaction.
  Use transaction SU53 to check for authorization failures.
  
  
  
  Debugging:
  
  If the error persists, consider debugging the program that is causing the error. This may require the assistance of an ABAP developer.
  Use transaction SE80 or SE38 to analyze the relevant programs.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue cannot be resolved internally, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including transaction codes, user actions, and any relevant logs.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the CO module, such as KSB1, KAH3, and OKKP.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to the CO module for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the KE771 error and implement an appropriate solution.