It isn’t the media though… this is only about your User / Motion Templates folder, and how your custom Titles, Transitions, and Effects are displayed in the FCPX interface.
The problem, as I understand it, is Brendan and Chris (and me and others) create new or modified effects / transitions / generators in Motion. After you’ve done this a few times, you realize a different grouping would be more efficient. So you go into your Motion Templates folder and reorganize a bit. Afterward, everything shows up just the way you want it in FCPX, perfectly usable, but some of your projects show your effects / titles / generators as Offline (even though they aren’t).
I’ve rearranged my custom templates twice (‘cuz I’m stupid), and fortunately haven’t run into this problem.
This is an issue with the way FCPX stores paths to your effects in the XML, not a media management or workflow issue.
Doug Metz
Anode