Message type: E = Error
Message class:  CNV_CDMC_CA - CDMC Clearing Analysis 
Message number: 123
Message text: Statistics job(s) are currently running
You want to deactivate the statistics collection on the remote system
from the CDMC Control Center. However at least one of the following two
jobs was found to be active on the selected system:
1. CNV_CDMC_CA_COLLECT_STAT
2. CNV_CDMC_CA_EVAL_SHORTDUMP
The deactivation of the statistics is not possible while any of these
jobs is running.
Wait until the statistics jobs are complete on the remote systems, then
try again to deactivate the statistics collection.
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.
The SAP error message CNV_CDMC_CA123 indicates that a statistics job is currently running, which prevents the execution of certain operations or processes that require access to the same resources. This error is typically encountered in the context of data conversion or migration projects, particularly when using the SAP Conversion Tools.
Cause: The primary cause of this error is that a statistics job related to the data conversion or migration process is already in progress. This can happen if: A previous job has not yet completed. There are overlapping jobs scheduled that are trying to access the same resources. The system is busy with other tasks that are affecting the execution of the current job.
Solution: To resolve the CNV_CDMC_CA123 error, you can take the following steps: Check Job Status: Go to transaction code SM37 in SAP to check the status of the running jobs. Look for any jobs related to statistics or data conversion that are currently active. Wait for Completion: If
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_CDMC_CA122 Error while finding out CDMC scenario for the project
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CDMC_CA121 No relevant SAP Notes were maintained
What causes this issue?  SAP Notes and their short texts can be maintained in the <ZK>Global Settings</> for CDMC along with the scenario ...
CNV_CDMC_CA124 CDMC is not installed on the selected RFC destination
What causes this issue?  You have chosen an RFC destination where CDMC has not been installed.System Response  Cannot continue with the processing of ...
CNV_CDMC_CA125 Error while establishing a connection to the RFC destination
What causes this issue?  The system could not establish an RFC connection to the selected destination.System Response  The activity cannot be executed...
Click on this link to search all SAP messages.