I see the following warnings within your provided, have you had a to look over these files yet?
[2015.10.06-18.12.28:470][ 0]LogModuleManager:Warning: ModuleManager: Module 'GameplayDebugger' not found - its StaticallyLinkedModuleInitializers function is null.
[2015.10.06-18.12.28:471][ 0]LogAIModule: Creating AISystem for world Hallway
[2015.10.06-18.12.28:471][ 0]LogLinker:Warning: Can't find file '/Game/Blueprints/TchGameMode'
[2015.10.06-18.12.28:471][ 0]LogUObjectGlobals:Warning: Failed to load '/Game/Blueprints/TchGameMode': Can't find file '/Game/Blueprints/TchGameMode'
[2015.10.06-18.12.28:471][ 0]LogLinker:Warning: Can't find file '/Game/Blueprints/TchGameMode'
[2015.10.06-18.12.28:471][ 0]LogUObjectGlobals:Warning: Failed to load '/Game/Blueprints/TchGameMode': Can't find file '/Game/Blueprints/TchGameMode'
[2015.10.06-18.12.28:471][ 0]LogLinker:Warning: Can't find file '/Game/Blueprints/TchGameMode'
[2015.10.06-18.12.28:471][ 0]LogUObjectGlobals:Warning: Failed to load '/Game/Blueprints/TchGameMode': Can't find file '/Game/Blueprints/TchGameMode'
[2015.10.06-18.12.28:472][ 0]LogUObjectGlobals:Warning: Failed to find object 'Class /Game/Blueprints/TchGameMode.TchGameMode_C'
[2015.10.06-18.12.28:472][ 0]LogWorld: Game class is 'GameMode'
[2015.10.06-18.12.18:144][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate/Common/TableViewHeader.png' error.
[2015.10.06-18.12.18:144][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate/Common/TableViewHeader.png
[2015.10.06-18.12.18:144][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate//Docking/TabContentArea.png' error.
[2015.10.06-18.12.18:144][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate//Docking/TabContentArea.png
[2015.10.06-18.12.18:144][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate/Common/ProgressBar_Background.png' error.
[2015.10.06-18.12.18:144][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate/Common/ProgressBar_Background.png
[2015.10.06-18.12.18:144][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate/Common/TaskGraph_Normal.png' error.
[2015.10.06-18.12.18:144][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate/Common/TaskGraph_Normal.png
[2015.10.06-18.12.18:144][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate/Common/TaskGraph_Selected.png' error.
[2015.10.06-18.12.18:144][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate/Common/TaskGraph_Selected.png
[2015.10.06-18.12.18:144][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate/Common/TaskGraph_Mono.png' error.
[2015.10.06-18.12.18:144][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate/Common/TaskGraph_Mono.png
[2015.10.06-18.12.18:144][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate/Common/SortUpArrow.png' error.
[2015.10.06-18.12.18:144][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate/Common/SortUpArrow.png
[2015.10.06-18.12.18:144][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate/Common/SortDownArrow.png' error.
[2015.10.06-18.12.18:144][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate/Common/SortDownArrow.png
[2015.10.06-18.12.18:145][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate/Icons/Home16x16.png' error.
[2015.10.06-18.12.18:145][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate/Icons/Home16x16.png
[2015.10.06-18.12.18:145][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate/Icons/ToParent.png' error.
[2015.10.06-18.12.18:145][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate/Icons/ToParent.png
[2015.10.06-18.12.18:145][ 0]LogStreaming:Warning: Failed to read file '../../../Engine/Content/Editor/Slate/Common/ComboArrow.png' error.
[2015.10.06-18.12.18:145][ 0]LogSlate: Could not find file for Slate resource: ../../../Engine/Content/Editor/Slate/Common/ComboArrow.png
[2015.10.06-18.12.17:935][ 0]LogWindowsMoviePlayer: Unable to load movie: ../../../TCH_App/Content/Movies/Default_Startup.mp4