FLStudio 20.0.05 on Windows 10 Desktop (10.0.17134) - I have tried both the 64 and 32 bit versions of FLStudio 20.
FlStudioMobile 3.2.04 on Android (Moto G6 with Android 8.0.0).
FLStudioMobile plugin 3.1.941 in FL ...
FLStudio 20.7.
I just upgraded to 20.7 to see if it would remedy the situation, and it did not help.
The error persists across 64 bit and 32 bit versions.
[attachment=0] FabError.png [/attachment]
The plugin in question is FabFilter ...