How To Fix EM257 - Indicator for commit buffering is set but is not active

SAP Error Message - Details

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 257

• Message text: Indicator for commit buffering is set but is not active

What causes this issue?

You have set the <DS:DE.EMG_PUFF>Buffering Allowed</> indicator for
migration object &v1& in the commit control. A <DS:DE.EMG_NCOMM>commit
interval</> that is higher than 1 has no effect due to a configuration
error in the migration object's events.

System Response

The load report for migration object &V1& is not generated.

How to fix this error?

Check whether the event for time START is properly configured for
calling function module ISU_M_KSV_PUFFER:
Menu call: Mig. Object - Change
Menu call: Utilities - Event Maintenance
Double-click on the line with event 110 for time START:
110 Function ISU_M_KSV_PUFFER Buffering
Pushbutton to the right of the 'Variant' field
This must contain the following interface data:
CALL FUNCTION 'ISU_M_KSV_PUFFER'
EXPORTING
X_PUFFERS = SPACE F
X_PUFFERI = X S
X_ANZAHLI = ANZ_PUFF F
TABLES
XT_TEMPUF = ITEMPUF F
As an example, the settings could be used for the object ACCOUNT of
migration company SAP.

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 EM257 - Indicator for commit buffering is set but is not active ?

  The SAP error message EM257 indicates that the commit buffering feature is enabled in the system, but it is not currently active. This can occur for several reasons, and understanding the cause and potential solutions is essential for resolving the issue.
  Cause
  
  Configuration Issues: The commit buffering feature may be configured in the system, but the necessary settings or prerequisites for it to be active are not met.
  Database Settings: The database may not be configured to support commit buffering, or there may be restrictions in place that prevent it from being used.
  Transaction Settings: Certain transaction types or settings may not allow commit buffering to be active.
  System Parameters: The relevant system parameters that control commit buffering may not be set correctly.
  
  Solution
  To resolve the EM257 error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to transaction RZ10 and check the profile parameters related to commit buffering. Look for parameters like rdisp/commit_buffering and ensure they are set correctly.
  Ensure that the commit buffering is enabled in the system profile.
  
  
  
  Database Configuration:
  
  Verify that your database supports commit buffering. Check the database documentation for any specific settings or requirements.
  Ensure that the database is configured to allow commit buffering.
  
  
  
  Review Transaction Settings:
  
  Check if the transactions you are trying to execute are compatible with commit buffering. Some transactions may not support this feature.
  
  
  
  System Parameters:
  
  Use transaction RZ11 to check the values of relevant parameters. Ensure that the parameters related to commit buffering are set to the correct values.
  If necessary, adjust the parameters and restart the application server for the changes to take effect.
  
  
  
  Check for Notes and Patches:
  
  Look for any SAP Notes or patches that may address issues related to commit buffering. Sometimes, specific versions of SAP may have known issues that are resolved in later updates.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for commit buffering to ensure that all prerequisites and configurations are correctly implemented.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration.
  
  
  
  Related Information
  
  Commit Buffering: This feature is designed to improve performance by reducing the number of database commits. It allows multiple updates to be grouped together and committed in a single operation.
  Transaction Codes: Familiarize yourself with transaction codes like RZ10 (Profile Maintenance), RZ11 (Profile Parameter Display), and SM21 (System Log) for troubleshooting.
  SAP Notes: Regularly check the SAP Support Portal for relevant notes that may provide additional context or solutions for this error.
  
  By following these steps, you should be able to identify the cause of the EM257 error and implement the necessary solutions to activate commit buffering in your SAP system.