FlStudio doesn't find a plugin of a earlier version.
For example: the project where made with Kontakt4 but now I have Kontakt5. Or Albino2 and Albino3.
Now I can just replace the plugin with the new version, but then ...
FLStudio just discards that data which defeats the whole purpose of having them.
I don't know if there's a better way, but all I've been able to figure out is to open the MIDI file in FL ...