[Crash] FF-GrainElevator Server Crash

[-=THOR=-]

Server has been running fine since march 22nd. It crashed at the end of FF-GrainElevator. Counter went at 0 s, MG sound was going on and on and on, no scoreboard showed up, then server crashed.

[1022619.82] Warning: SpawnActor failed because class ROWeap_MN9130_Rifle is abstract
[1022619.82] Warning: SpawnActor failed because class ROWeap_F1_Grenade is abstract
[1022619.82] Warning: SpawnActor failed because class ROWeap_M1895_Revolver is abstract
[1022621.74] Warning: ROPawn::FitCollision() failed to find a good spot for ROAlliedPawnLevel1Rifleman_18779
[1022626.70] Warning: ROPawn::FitCollision() failed to find a good spot for ROAxisPawnLevel6Marksman_336
[1022644.60] Error: FBitWriter::SerializeInt(): Value out of bounds (Value: 3222274048, ValueMax: 2097152)
[1022644.60] Error: FBitWriter::SerializeInt(): Value out of bounds (Value: 3222274048, ValueMax: 2097152)
[1022644.60] Error: FBitWriter::SerializeInt(): Value out of bounds (Value: 3222274048, ValueMax: 2097152)
[1022645.55] Error: FBitWriter::SerializeInt(): Value out of bounds (Value: 3222274048, ValueMax: 2097152)
[1022645.56] Error: FBitWriter::SerializeInt(): Value out of bounds (Value: 3222274048, ValueMax: 2097152)
[1022645.56] Error: FBitWriter::SerializeInt(): Value out of bounds (Value: 3222274048, ValueMax: 2097152)
[1022685.21] Log: === Critical error: ===
Fatal error!

Address = 0xd724ca (filename not found) [in C:\Gameservers\RO2\binaries\win32\rogame.exe]
Address = 0x2e45c211 (filename not found)