Crashing while dark servants up

Fixed in 1.1.

During a fight with several dark servants up and firing away at the enemy, the game crashed with following output (player was using god mode):

Log: Sys_Error: Reference not set to an instance of an object
 Log: - RunFunction
 Log: - (linespec.Actor.TakeSpecialDamage 8)
 Log: - RunFunction
 Log: - (linespec.KRPGPawn.TakeSpecialDamage 46)
 Log: - RunFunction
 Log: - (linespec.EntityEx.Damage 416)
 Log: - RunFunction
 Log: - (linespec.Minotaur.MinotaurSlam 103)
 Log: - RunFunction
 Log: - (linespec.Minotaur.DoSpecialDamage 32)
 Log: - RunFunction
 Log: - (linespec.EntityEx.Damage 291)
 Log: - RunFunction
 Log: - (linespec.Actor.A_MinotaurAtk1 51)
 Log: - VObject::ExecuteFunction
 Log: - (linespec.Actor.A_MinotaurAtk1)
 Log: - VEntity::SetState
 Log: - VEntity::AdvanceState
 Log: - RunFunction
 Log: - (engine.Entity.AdvanceState 0)
 Log: - RunFunction
 Log: - (linespec.EntityEx.Tick 285)
 Log: - RunFunction
 Log: - (linespec.Actor.Tick 82)
 Log: - VObject::ExecuteFunction
 Log: - (linespec.Actor.Tick)
 Log: - VThinker::Tick
 Log: - VLevel::TickWorld
 Log: - SV_Ticker
 Log: - ServerFrame
 Log: - Host_Frame
 Log: Doing C_Shutdown
 Log: Doing CL_Shutdown
 Log: tanthalos left the game

Log: Doing SV_Shutdown
 Log: Doing delete GNet
 Log: Doing delete GInput
 Log: Doing V_Shutdown
 Log: Doing delete GAudio
 Log: Doing T_Shutdown
 Log: Doing Sys_Shutdown
 Log: Doing delete GSoundManager
 Log: Doing R_ShutdownTexture
 Log: Doing R_ShutdownData
 Log: Doing VCommand::Shutdown
 Log: Doing VCvar::Shutdown
 Log: Doing ShutdownMapInfo
 Log: Doing FL_Shutdown
 Log: Doing W_Shutdown
 Log: Doing GLanguage.FreeData
 Log: Doing ShutdownDecorate
 Log: Doing VObject::StaticExit
 Log: Doing VName::StaticExit
 Uninitialised: Doing Z_Shutdown

ERROR: Reference not set to an instance of an object