Message type: E = Error
Message class:  CNV_CDMC_CA - CDMC Clearing Analysis 
Message number: 065
Message text: Mandatory predecessor activities are not yet completed
You attempted to execute an activity in phase <ZK>Analysis </>before
the successful completion of all mandatory activities in phase
<ZK>Collect</>.
It is not possible to execute the analysis activities until all
required information from phase <ZK>Collect </>is available.
Note:
The mandatory activities in phase <ZK>Collect </>are:
<ZK>Determine Customer Objects</>
<ZK>Import Statistics</>
<ZK>Determine SAP Modifications</> is not a mandatory activity. However
if you did start this activity you cannot execute any activities in
phase <ZK>Analysis </>until this activity is completed.
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_CA065 indicates that there are mandatory predecessor activities that need to be completed before you can proceed with the current activity in the SAP Conversion or Migration process. This error typically occurs in the context of data migration projects, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
Cause: The error is caused by one or more prerequisite activities that have not been completed. These predecessor activities are essential for ensuring that the current step can be executed successfully. The specific activities that need to be completed can vary depending on the context of the migration or conversion project.
Solution: To resolve this error, follow these steps: Identify Predecessor Activities: Check the documentation or the migration cockpit to identify which predecessor activities are mandatory and have not been completed. This information is usually provided in the error message details or in the migration cockpit interface. Complete Required Activities: Once you
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_CDMC_CA064 The project landscape cannot be changed any longer
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_CA063 Object is not versionable
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_CA066 No object was selected
What causes this issue?  No objects are selected in the ALV display for the selected project.System Response  The function works only if at least one ...
CNV_CDMC_CA067 Error while displaying activity description document for &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.