Xenforo Transfer Server Error : An unexpected error occurred. Please try again later.

Hello today i transfered my xenforo site v. 1.5.10 from old vps linux/cpanel to new vps windows/plesk steps I performed: 1. backup complete from cpanel ( old VPS ) 2. upload via ftp new copy fresh xenforo on new VPS windows/plesk 3. installed xenforo forum and create new database with info same database old site backup 4. upload old folder html on new vps folder httpdocs ( windows ) 5. upload old database via plesk after these steps when i try enter in my site i have message error with page blank " An unexpected error occurred. Please try again later." i not have much experience with xenforo 1.5.10 so looking freelancer for fix this problem Thanks