2018-12-09 20:05:56.277 - Thread: 1 -> Exception occured: System.NullReferenceException: Object reference not set to an instance of an object. at Sandbox.Game.Entities.Blocks.MyProjectorBase.previewGrid_OnBlockAdded(MySlimBlock obj) at System.Action`1.Invoke(T obj) at System.DelegateExtensions.InvokeIfNotNull[T1](Action`1 handler, T1 arg1) at Sandbox.Game.Entities.MyCubeGrid.NotifyBlockAdded(MySlimBlock block) at Sandbox.Game.Entities.MyCubeGrid.AddCubeBlock(MyObjectBuilder_CubeBlock objectBuilder, Boolean testMerge, MyCubeBlockDefinition blockDefinition) at Sandbox.Game.Entities.MyCubeGrid.AddBlock(MyObjectBuilder_CubeBlock objectBuilder, Boolean testMerge) at Sandbox.Game.Entities.MyCubeGrid.BuildBlock(MyCubeBlockDefinition blockDefinition, Vector3 colorMaskHsv, Vector3I min, Quaternion orientation, Int64 owner, Int64 entityId, MyEntity builderEntity, MyObjectBuilder_CubeBlock blockObjectBuilder, Boolean updateVolume, Boolean testMerge, Boolean buildAsAdmin) at Sandbox.Game.Entities.MyCubeGrid.BuildBlocksSuccess(Vector3 colorMaskHsv, HashSet`1 locations, HashSet`1 resultBlocks, MyEntity builder, Boolean instantBuilt, Int64 ownerId) at Sandbox.Game.Entities.MyCubeGrid.BuildBlocksRequest(UInt32 colorMaskHsv, HashSet`1 locations, Int64 builderEntityId, Boolean instantBuild, Int64 ownerId) at VRage.Network.CallSite`7.Invoke(BitStream stream, Object obj, Boolean validate) at VRage.Network.MyReplicationLayer.Invoke(CallSite callSite, BitStream stream, Object obj, EndpointId source, MyClientStateBase clientState, Boolean validate) at VRage.Network.MyReplicationServer.OnEvent(MyPacketDataBitStreamBase data, CallSite site, Object obj, IMyNetObject sendAs, Nullable`1 position, EndpointId source) at VRage.Network.MyReplicationLayer.OnEvent(MyPacketDataBitStreamBase data, NetworkId networkId, NetworkId blockedNetId, UInt32 eventId, EndpointId sender, Nullable`1 position) at VRage.Network.MyReplicationLayer.ProcessEvent(MyPacketDataBitStreamBase data, EndpointId sender) at VRage.Network.MyReplicationLayer.OnEvent(MyPacket packet) at Sandbox.Engine.Multiplayer.MyTransportLayer.ProcessMessage(MyPacket p) at Sandbox.Engine.Multiplayer.MyTransportLayer.HandleMessage(MyPacket p) at Sandbox.Engine.Networking.MyReceiveQueue.Process(NetworkMessageDelegate handler)

2018-12-09 20:05:56.278 - Thread: 1 -> Packet processing error, disconnecting 76561198302827021
2018-12-09 20:05:56.282 - Thread: 1 -> User left GHOSTHUNTER90003