macOS FortiClient Error - kCFErrorDomainCFNetwork error -1005

I got this error message and have no idea what could be wrong.

[FctMiscAgent:INFO] AppDelegate:451 FctMiscAgent started up [FctMiscAgent:INFO] AppDelegate:415 Config File fctsysconf.plist changed, reload config! [FctMiscAgent:INFO] AppDelegate:415 Config File fctsysconf.plist changed, reload config! [FctMiscAgent:INFO] AppDelegate:415 Config File fctsysconf.plist changed, reload config! [FctMiscAgent:INFO] AppDelegate:415 Config File fctsysconf.plist changed, reload config! [FctMiscAgent:INFO] AppDelegate:415 Config File fctsysconf.plist changed, reload config! [FctMiscAgent:INFO] AppDelegate:415 Config File fctsysconf.plist changed, reload config! [fctgui:INFO] FCTVpnConnection:568 Received the passive connection command [fctgui:INFO] FCTVpnConnection:653 Starting connection:****** [fctgui:INFO] FCTVpnConnection:758 SSL VPN Proxy is disabled [fctgui:INFO] FCTVpnConnection:864 connecting to server ****:443 with realm: [sslvpn:EROR] unknown:0 apple ssl read error: The operation couldn't be completed. (kCFErrorDomainCFNetwork error -1005.) [sslvpn:EROR] unknown:0 apple ssl read error: The operation couldn't be completed. (kCFErrorDomainCFNetwork error -1005.) [sslvpn:EROR] unknown:0 ssl get login page error [sslvpn:EROR] libsslvpn:574 Failed to login to fortigate : -111