Is the following a known bug or a new security setup under Adobe Campaign Classic?
We have upgraded our beta instance to 9368:

Today we tried to import a package of transactional emails template into the beta instance and got the following error:

We found the root cause which is the duplicate key as shown above.
The solution or workaround is to remove the FCPSeed data from the XML package before the import:

Is anyone can confirm if this is a bug or an expected behavior under the new build?
Thanks in advance!