PPTP VPN issue, not working

[SkynetDDS]

Hi everyone!
Same here :
Jul 2 14:57:48 pptp[4175]: pppd 2.4.7 started by admin, uid 0
Jul 2 14:57:48 pptp[4175]: Connect: pptp0 <--> pptp (92.62.96.250)
Jul 2 14:58:18 pptp[4175]: LCP: timeout sending Config-Requests
Jul 2 14:58:18 pptp[4175]: Connection terminated.
Jul 2 14:58:18 pptp[4175]: Modem hangup
I have RT-AC68U with firmware Version: 3.0.0.4.386_51665

I can't connect from everywere, from any device ...