migrate a wordpress site with FFMPEG on VPS

I Have a custom developed/modified wordpress site currently hosted on hostgator VPS which I would like migrated to my ne VPS host InMotiong.com hosting. It is currently on Hostgator which is cPanel, but InMotion is AMP. I could upgrade my AMP control to cPanel if necessary. InMotion host tried to migrate my site which transferred all my files but video file uploads to the site failed and stripe test payments failed.