fast inventory oddity after update: "The media data base has no volume with barcode ..."

After updating to version 8.2.3.3 of Networker, fast inventory on our jukeboxes (nsrjb -II ...) will only perform a fast inventory on tapes that have not changed position, and will report an error for all tapes that have been changed, e.g.

09/12/16 09:20:30.866477 Info: The media data base has no volume with barcode = `XY0247L6'.

09/12/16 09:20:30.866501 Info: Fast Inventory cannot identify volume in slot `23'.

...

09/12/16 09:20:30.867000 Error: Fast Inventory fail to identify some or all of the selected slots.

The message "The media data base has no volume with barcode ..." is definitely wrong, as there always is a volume with that barcode in the media database.

For these tapes / slots we then have to perform a slow inventory.

EMC support mainaints that we should be fine with that, but I disagree, and we do not want to spend hours for inventorying large jukeboxes

I suspect the change in the ressources database to SQLite might play a role in this:

"In NetWorker 8.2 SP3, SQLite replaces WiSS as the media database."

Did anybody see similar effects? Who could offer a solution?

Kind regards, Tom