game freeze suddenly in the middle of the game

[GregR12]

Hi all commanders,
i need your help if someone know why my game freeze in the middle of the game. The only informations i have is y log game it say :
"warning: Error running OnDestroy script in Entity xrl0302 at 7caff608: ...gramdata\faforever\gamedata\lua.nx2\lua\sim\unit.lua(1502): attempt to call method `Fire' (a nil value)
stack traceback:
...gramdata\faforever\gamedata\lua.nx2\lua\sim\unit.lua(1502): in function `DoDeathWeapon'
...\gamedata\units.nx2\units\xrl0302\xrl0302_script.lua(46): in function `DoDeathWeapon'
...\gamedata\units.nx2\units\xrl0302\xrl0302_script.lua(64): in function <...\gamedata\units.nx2\units\xrl0302\xrl0302_script.lua:62>"

I hope someone know how to resolve this problem
Good afternoon

I search more and i find this : "2019-04-28 14:15:35.157 WARN ICE E_unit(89660): Error while reading from ICE adapter (c.f.iceadapter.ice.PeerIceModule:379)
2019-04-28 14:15:35.194 WARN ICE E_unit(89660): Peer not connected anymore, aborting onConnectionLost of ICE (c.f.iceadapter.ice.PeerIceModule:253)
2019-04-28 14:15:35.159 WARN Sleeping refreshThread was interrupted (c.f.i.ice.PeerTurnRefreshModule:80)
2019-04-28 14:15:35.167 WARN ICE Drakus-DMR-TEAM(241470): Error while reading from ICE adapter (c.f.iceadapter.ice.PeerIceModule:379)
2019-04-28 14:15:35.177 WARN ICE maxus_pl(95454): Error while reading from ICE adapter (c.f.iceadapter.ice.PeerIceModule:379)
2019-04-28 14:15:35.194 WARN ICE maxus_pl(95454): Peer not connected anymore, aborting onConnectionLost of ICE (c.f.iceadapter.ice.PeerIceModule:253)
2019-04-28 14:15:35.169 DEBUG Error while reading from local FA as peer (probably disconnecting from peer) maxus_pl(95454) (com.faforever.iceadapter.ice.Peer:84)
java.net.SocketException: socket closed
at java.base/java.net.DualStackPlainDatagramSocketImpl.socketReceiveOrPeekData(Native Method)
at java.base/java.net.DualStackPlainDatagramSocketImpl.receive0(Unknown Source)
at java.base/java.net.AbstractPlainDatagramSocketImpl.receive(Unknown Source)
at java.base/java.net.DatagramSocket.receive(Unknown Source)
at com.faforever.iceadapter.ice.Peer.faListener(Peer.java:81)
at java.base/java.lang.Thread.run(Unknown Source)
2019-04-28 14:15:35.194 WARN ICE Drakus-DMR-TEAM(241470): Peer not connected anymore, aborting onConnectionLost of ICE (c.f.iceadapter.ice.PeerIceModule:253)"

Is the problem come from me or from ICE because it's on beta ?