FL.
I recently updated FL and before it had no issues loading them up.
I did, however, move everything (plugins) to the VST folder for FL.
Maybe that has something to do with it??
Here is what the error says ...
FLStudios 12. After updating Waves Central and updating all my plug ins, all my FLStudio (12.4.2) projects are missing their plug ins. It just shows the Fruity Wrapper. I rescanned all my plug ins as usual in FL ...