Invalid transfer ID for replication

What causes this issue?

Currently, there is not valid transfer ID assigned to the embedded
specification.

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?

If you are in phase <ZK>Package Settings</> of your PCL package then you
can ignore this error because within the next phase <ZK>Implementation
</> there will be created a valid transfer ID automatically.
If you are in phase <ZK>Implementation</> and activity <ZK>Setup
Migration Environment</> has already been executed successfully (and
there is still no valid transfer ID) then contact SAP.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.