Error: [Error: service failed to start or returned error status.]

[james84126]

Hello,everyone
My Openvpn(as) server is not working
I use commnad systemctl status openvpnas ls show active (running)
But the openvpn.log show

"openvpn_0": "off. Error: [Error: service failed to start or returned error status.]",
 
"openvpn_1": "off. Error: [Error: service failed to start or returned error status.]",

"openvpn_2": "off. Error: [Error: service failed to start or returned error status.]",

"openvpn_3": "off. Error: [Error: service failed to start or returned error status.]"

how to fix ，thanks