Daw buffer to 128

I try MG3 with FL studio 20 as plugin on Windows 10 system.
I get the message “your daw runs with a variable buffer size and may cause latency issues (182). Set your daw to run fixed size buffers at 128.”
I set the daw buffer to 128, however MG3 doesn’t work!
Any solutions, suggestions? Is this a temporary error due to the beta version?
Thank you

It’s an FL studio thing.
I haven’t used FL Studio in years but there is a setting somewhere where you can force FL studio to use fixed size buffers.

Hope this helps.
FL Studio is not the best daw for low latency, give Reaper a spin (free demo). I run on Windows10 at 16 samples without problems. (of course it’s computer and audio card pending also)