OpenVPN reboot my Mikrotik 3.2 X86

I have 5 tunnel’s on 2 routerOS 3.2 X86 and after 2 min the 2 routers reboot, some one who know how to fix that please !!! I whas surfing the internet for a solution but noting.

PD: Sorry for my bad english, it is not my firs language. :slight_smile: