Got this while playing on Dude's server.
DIAG| LoadSaveGame:372 |21:12:58|1095594|Loaded from file mpighzone.bzn
DIAG| runcodes:159 |21:12:58|1095671|[View] Entering run code [COCKPIT]
DIAG| runcodes:159 |21:12:58|1095677|[Main] Entering run code [MISSION]
DIAG| icroot:193 |21:12:58|1095680|Root window now 1920x1080
DIAG| runcodes:159 |21:12:58|1095683|[Mission] Entering run code [RUN]
DIAG| Planners:3327 |21:13:00|1097443|SetAIP - cfg(Insaneiil.aip) team(6)
DIAG| LuaManager:165 |21:13:00|1097444|Lua file 'Insaneiil.lua' not found
DIAG| STJoinHandlers:719 |21:13:00|1097469|-- Resynchronized gamestate to server at timestep 33577
DIAG| Planners:3327 |21:13:00|1097563|SetAIP - cfg(Insaneiil.aip) team(6)
DIAG| LuaManager:165 |21:13:00|1097563|Lua file 'Insaneiil.lua' not found
ERR | STJoinHandlers:635 |21:13:16|1112828|LzmaUncompress failed with error 1. State from server is corrupt

ERR | log:1838 |21:13:16|1112866|abort() requested from '.\network\STJoinHandlers.cpp':636
ERR | ExceptionHandler:188 |21:13:16|1113103|00391693 +00181693 000000C1 bzone (bzone): : StackWalker::ShowCallstack
ERR | ExceptionHandler:188 |21:13:16|1113111|0041895F +0020895F 0000009F bzone (bzone): : BZ2Abort
ERR | ExceptionHandler:188 |21:13:16|1113126|003145B1 +001045B1 000002E5 bzone (bzone): : NetManager::STJoinHandlers::UnpackAndLoadSTJoinBuffer
ERR | ExceptionHandler:188 |21:13:16|1113132|00300F01 +000F0F01 0000009A bzone (bzone): : NetManager::PreSimulateLockstepWorld
ERR | ExceptionHandler:188 |21:13:16|1113138|00269CC5 +00059CC5 000000AF bzone (bzone): : MoveOneTurn
ERR | ExceptionHandler:188 |21:13:16|1113141|0026A908 +0005A908 00000365 bzone (bzone): : MissionHandler::State::RunState::Process
ERR | ExceptionHandler:188 |21:13:16|1113149|0040766F +001F766F 000001BF bzone (bzone): : RunCodes::Process
ERR | ExceptionHandler:188 |21:13:16|1113156|002681B4 +000581B4 0000001E bzone (bzone): : MissionHandler::Process
ERR | ExceptionHandler:188 |21:13:16|1113158|0040766F +001F766F 000001BF bzone (bzone): : RunCodes::Process
ERR | ExceptionHandler:188 |21:13:16|1113163|0040EB74 +001FEB74 00000064 bzone (bzone): : Main::MessagePump
ERR | ExceptionHandler:188 |21:13:16|1113184|0025AB62 +0004AB62 000004F1 bzone (bzone): : HandledMain
ERR | ExceptionHandler:188 |21:13:16|1113187|0025A814 +0004A814 000001A3 bzone (bzone): : HandledMain
ERR | ExceptionHandler:188 |21:13:16|1113206|00257A1C +00047A1C 00000069 bzone (bzone): : WinMain
ERR | ExceptionHandler:188 |21:13:16|1113208|003B3173 +001A3173 00000193 bzone (bzone): : strcat
ERR | ExceptionHandler:188 |21:13:16|1113209|769C33AA +000133AA 00000012 kernel32 (kernel32): : BaseThreadInitThunk
ERR | ExceptionHandler:188 |21:13:16|1113211|777D9EF2 +00039EF2 00000063 ntdll (ntdll): : RtlInitializeExceptionChain
ERR | ExceptionHandler:188 |21:13:16|1113213|777D9EC5 +00039EC5 00000036 ntdll (ntdll): : RtlInitializeExceptionChain
DIAG| log:1845 |21:13:16|1113215|End of line...
DIAG| DXUT:1352 |21:13:16|1113325| DXUT pause on minimize
DIAG| DXUT:1525 |21:13:16|1113327| DXUT pause on minimize