Fl Studio LAGS tremendously after project loading

[JeyJo]

Sorry but I cannot make a video.

I made a project with 40 mixer channels several samples and as mainplugin Sylenth 1.

While Iam working on it everything is fine and works.

When I close FLStudio 64 bit and try to open it and load my project it begins to lag and after several minutes it crashes.

Plugins in use are
Sylenth1
Serum
Farbfiltern
Großbeat
Kickstart
Camelphat

CPU loading is at 2-12 when I open the project.

Pc requirements:

Windows 10 64Bit
CPU AMD Ryzen 5 1600
Motherboard Msi B350M Pro-VDH

Need quick help please

[reflex]

What version of FL do you use exactly (see the ...