How To Fix CNVMBT115 - Huge execution history.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBT - Messages for MBT/API/PCL

• Message number: 115

• Message text: Huge execution history.

What causes this issue?

Execution history for the selected activity is very huge. Either the
selected activity has too many number of executions or the activity
trigers too many sub-activities or both.

System Response

Display of execution history may take time.

How to fix this error?

Confirm whether you would like to view the execution history or not.
Better approach to view the execution history will be use the extended
process monitor.

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 CNVMBT115 - Huge execution history. ?

  The SAP error message CNVMBT115 with the description "Huge execution history" typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the execution history of a migration or conversion job has grown too large, which can lead to performance issues or even system errors.
  Cause:
  
  Excessive Logging: The migration process generates a lot of logs and execution history entries, especially if the process is long-running or if there are many records being processed.
  Configuration Settings: The system may be configured to retain too much historical data, leading to an accumulation of logs.
  Frequent Re-runs: If the migration job is being executed multiple times without clearing the previous execution history, it can lead to this error.
  
  Solution:
  
  
  Clear Execution History: 
  
  You can clear the execution history for the migration job. This can usually be done through the SAP GUI by navigating to the relevant transaction (e.g., LTMC for Migration Cockpit) and selecting the option to delete or clear the execution history.
  
  
  
  Adjust Logging Settings: 
  
  Review and adjust the logging settings for the migration process. This may involve changing parameters in the configuration to limit the amount of history retained.
  
  
  
  Batch Processing: 
  
  If possible, break down the migration job into smaller batches. This can help reduce the amount of execution history generated at one time.
  
  
  
  Monitor and Optimize: 
  
  Regularly monitor the execution history and logs. Implement a routine to clean up old logs and execution history to prevent this issue from recurring.
  
  
  
  Consult Documentation: 
  
  Refer to the official SAP documentation or notes related to the specific migration tool you are using for any additional recommendations or best practices.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  Transaction Codes: Familiarize yourself with transaction codes like LTMC (for Migration Cockpit) or SCC4 (for client settings) that may help in managing migration jobs and their logs.
  Performance Monitoring: Use tools like ST22 (Dump Analysis) or SM21 (System Log) to monitor system performance and identify any other underlying issues that may be contributing to the error.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.