Pfsense need to reboot to access internet

[bsaur635]

I need to reboot pfsense to access internet again, it happens every 5 mins, I have ethernet cable connected to pfsense and another 1 for the other workstation, the ethernet cable that does not connected to the pfsense is working properly and have a stable connection, while the cable that connected to pfsense can't event last for an hour to access internet connection

Heeelp ! Thanksss having this issue for 2 months