How To Fix CNV_CDMC_CA045 - & is already scheduled

CNV_CDMC_CA045 - Overview

• Message type: E = Error

• Message class: CNV_CDMC_CA - CDMC Clearing Analysis

• Message number: 045

• Message text: & is already scheduled

What causes this issue?

You have attempted to execute an activity that is already scheduled in
the defined systems.

System Response

It is not possible to execute the scheduled activity again.

How to fix this error?

You must wait until the activity reaches the <ZK>Finished</> or the
<ZK>Aborted</> state.

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.

CNV_CDMC_CA045 - Details

• The SAP error message CNV_CDMC_CA045 typically relates to issues encountered during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. The error message indicates that a certain task or process is already scheduled, which can lead to conflicts or issues in executing the migration steps.
  
  Cause:
  
  Concurrent Execution: The error often arises when there is an attempt to execute a migration task that is already in progress or scheduled. This can happen if multiple users or processes are trying to run the same migration task simultaneously.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a task is already locked by another process, you may encounter this error.
  System Configuration: There may be configuration issues or settings that prevent the task from being executed properly.
  
  
  Solution:
  
  Check Scheduled Tasks: Review the list of scheduled tasks in the migration cockpit or relevant transaction codes (like SM37