FL and it shows the name on the list but the file doesn't open and it doesn't say .flp-file in the end of the name as the other projects do. I was taking a session just yesterday ...
when I re-open the project, no matter whether there are many or few or no plugins inside the Patcher instance.
(FL 11.1, Windows 7 64-bit, using FLFL with the normal shortcut and not the "compatible memory" one) ...