How To Fix CNV_OT_APPL_PE056 - Error committing the changes of the transfer function

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OT_APPL_PE - Messages for application specific functions

• Message number: 056

• Message text: Error committing the changes of the transfer function

What causes this issue?

After successfully calling the transfer method function &V1& (the
transfer method function reported no error) a <ZK>Commit Work and Wait
</> was executed which ended with an error.
This error is unexpected and seems to be related to an inconsistency in
the database or due to a wrong call of the transfer method function
itself.
The worklist item itself is now in error status (changes got rolled back
- <ZK>Rollback Work</>) and needs to be transferred again once the root
cause of the problem is solved.

System Response

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

How to fix this error?

Check the system log (transaction <AB>SM21</>) or the list of erroneous
update requests (transaction <AB>SM13</>) in the target system to find
the root cause of the issue.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OT_APPL_PE056 - Error committing the changes of the transfer function ?

  The SAP error message CNV_OT_APPL_PE056 typically occurs during data transfer processes, particularly in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer functions. This error indicates that there was an issue committing the changes made during the transfer function, which can be caused by various factors.
  Possible Causes:
  
  Data Integrity Issues: There may be inconsistencies or violations of data integrity constraints in the source data that prevent successful commits.
  Locking Issues: The target database might be locked by another process, preventing the commit from being executed.
  Authorization Problems: The user executing the transfer may not have the necessary authorizations to perform the commit operation.
  Configuration Errors: Incorrect configuration settings in the migration tool or the target system can lead to this error.
  Technical Errors: There could be underlying technical issues, such as database connectivity problems or system resource limitations.
  
  Solutions:
  
  Check Data Quality: Review the source data for any inconsistencies or errors. Ensure that all required fields are populated and that data types match the target schema.
  Release Locks: Investigate if there are any locks on the target database. You can use transaction codes like SM12 to check for locks and release them if necessary.
  Review Authorizations: Ensure that the user executing the transfer has the necessary authorizations to perform the commit operation. This may involve checking roles and permissions in the SAP system.
  Configuration Review: Double-check the configuration settings of the migration tool and ensure that they are correctly set up for the data transfer.
  Check Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide insights into the root cause of the issue.
  System Resources: Ensure that the system has sufficient resources (memory, CPU, etc.) to handle the data transfer process.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps. You can search the SAP Support Portal for notes related to CNV_OT_APPL_PE056.
  Documentation: Review the official SAP documentation for the data migration tool you are using, as it may contain specific guidelines or troubleshooting steps for common errors.
  Community Forums: Consider reaching out to SAP community forums or support channels for additional assistance, as other users may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.