Has anyone got this error like me?

[ducdo1994vn]

When I run the error as the picture or connection error. I have waited for it for a few hours but still do not continue. Do you have any way to fix it?

 

[ducdo1994vn]

hi ,
re ou sure your external proxies server is working

The server and the other threads still work normally. When I encounter this error, I usually stop and run it again, but that's a bit difficult because many servers

 

[ducdo1994vn]

with a large number of sessions, there is a certain percentage of freezing sessions, put up with this or reboot the server more often

Thank you. may I ask, is it possible for many sessions to work with vps 2 core 4gb ram?