Opening Linked Projects After Directory Changes

When I have many linked projects, and at some point I would like to rearrange my folders, I can’t really open any of the projects without crashing the Pro Motions NG due to missing files in old directory.

In this case I was using layer effect: display other project as layer, and instead of crash, there could be option to show with file manager (or whatever) new path to the linked project, or just open selected project with disabled layer effect.

Can not duplicate this, but I only did a quite simple test:
“Project 1” displays “Project 2” and I moved “Project 2” and opened “Project 1” again. The following message is shown then:

And the layers window shows:

Can you send the bug report and/or the project causing the problem as private message?