FL Studio's plugin manager is not up to date with the latest versions of the SDK.
This was taken from the page "VST 3 Locations / Format" in the SDK documentation:
[quote]
On the Windows platform a VST 3 Plug ...
forum I've just upgraded to the newest 12.3 update today and seem to be having quite a few issues with VST3 plugins not loading. All VST3 plugins where working perfectly fine until I upgraded today. I've attached a image ...
forum FL entirely. Of course, I can always use the VST2 versions for most uses, but the sidechain input to the filters is only available in the VST3 version.
I'm still using 32 bit FL. So again, not sure of the source ...
forum attachment=0] error plugin.jpg [/attachment]
is it the plugin? or FL? Does anyone know what to do to resolve it?
I would use vst2 version but its sound is monophonic! pff
Also some more various issues with vst3 plugins in general ...
forum