rapidvideo script problem

hello guys i buy 2 months back a rapidvideo script the owner of thescript is disappear anyway is any one know about this script to see it what is the problem?? i have 2 script 1 with openssl (encode the links) and 1 with mcrypt and the both script is in a wp plugin with proxy ip:port (the same code i have for others hosting google photos/drive fb and is ok)
the problem is from 2k video links the 60% is getting blank cache and show error..

(before this problem the rapid sources make the site some time to go down and getting full error in logs about timeout, i change the timeout and still the same problem the server is not cheap and is deddicated i7 32ram+++)