Server server crash

[J1ha7]

so guys i set up a server
+ custom maps
ports open (Checked)
we were 3 same provirer
i could join every time my brother could the third person joined once but then he couldnt join the next map but i could
webadmin froze
here is some code

0726.61] DevNet: Remote platform is 127
[0726.61] NetComeGo: Close IpNetDriverSteamworks_2 IpNetConnectionSteamworks_85 213.149.61.164:56306 01/21/18 18:02:55
[0726.81] DevNet: NotifyAcceptingConnection: Server TheWorld accept
[0726.81] NetComeGo: Open TheWorld 01/21/18 18:02:55 213.149.61.164
[0727.60] DevNet: NotifyAcceptingChannel Control 0 server World KF-ZEDLANDING.TheWorld: Accepted
[0727.60] DevNet: Remote platform is 127
[0727.61] NetComeGo: Close IpNetDriverSteamworks_2 IpNetConnectionSteamworks_86 213.149.61.164:56306 01/21/18 18:02:56
[0727.80] DevNet: NotifyAcceptingConnection: Server TheWorld accept
[0727.80] NetComeGo: Open TheWorld 01/21/18 18:02:56 213.149.61.164
[0728.80] DevNet: NotifyAcceptingChannel Control 0 server World KF-ZEDLANDING.TheWorld: Accepted
[0728.80] DevNet: Remote platform is 127
[0728.81] NetComeGo: Close IpNetDriverSteamworks_2 IpNetConnectionSteamworks_87 213.149.61.164:56306 01/21/18 18:02:57
[0729.20] DevNet: NotifyAcceptingConnection: Server TheWorld accept
[0729.20] NetComeGo: Open TheWorld 01/21/18 18:02:57 213.149.61.164
[0729.80] DevNet: NotifyAcceptingChannel Control 0 server World KF-ZEDLANDING.TheWorld: Accepted
[0729.80] DevNet: Remote platform is 127
[0729.81] NetComeGo: Close IpNetDriverSteamworks_2 IpNetConnectionSteamworks_88 213.149.61.164:56306 01/21/18 18:02:58
[0729.81] DevNet: IpNetDriverSteamworks_2 Connection timed out after 200.000000 seconds (200.109482)
[0729.81] DevNet: IpNetDriverSteamworks_2 Connection state = 3

after further investigation i re-all did from scratch fresh server only changed name and diff
server crash after map changes its just stuck
the second is with devonline supress (thank got for this option)