Launching HTML version appears to build, opens browser, downloads then starts ‘running’ and stops with above error.
HTLM Log
LogHTML5Launch:Display: Starting UE4 ...
LogHTML5Launch:Display: Command line: ../../../CubeMark/CubeMark.uproject /Game/Maps/Menu -Messaging
LogTemp:Display: PreInit Start
LogInit:Display: Running engine for game: CubeMark
LogInit:Display: Project file not found: ../../../CubeMark/CubeMark.uproject
LogInit:Display: Attempting to find via project info helper.
LogUProjectInfo: Found projects:
LogConfig:Warning: Failed to saved backup for config[Engine]
L
LogConfig:Warning: Failed to saved backup for config[Game]
L
LogConfig:Warning: Failed to saved backup for config[Input]
L
LogConfig:Warning: Failed to saved backup for config[Scalability]
L
LogConfig:Warning: Failed to saved backup for config[GameUserSettings]
LogInit: Version: 4.7.0-2455222+++depot+UE4-Releases+4.7
LogInit: API Version: 2455222
LogInit: Compiled (32-bit): Feb 21 2015 23:34:01
LogInit: Compiled with Clang: 3.3
LogInit: Build Configuration: Development
LogInit: Branch Name: ++depot+UE4-Releases+4.7
LogInit: Command line: /Game/Maps/Menu -Messaging
LogInit: Base directory:
LogInit: Rocket: 1
[2015.02.24-23.15.48:878][ 0]LogTaskGraph: Started task graph with 2 named threads and 3 total threads.
L
[2015.02.24-23.15.48:882][ 0]LogOnline:Warning: No default platform service specified for OnlineSubsystem
[2015.02.24-23.15.48:885][ 0]LogInit: Presizing for 0 objects not considered by GC, pre-allocating 0 bytes.
[2015.02.24-23.15.48:928][ 0]LogInit: Object subsystem initialized
L
[2015.02.24-23.15.48:949][ 0]LogConsoleResponse:Warning: Skipping Unknown console variable: 'UIScaleRule = ShortestSide'
L
[2015.02.24-23.15.48:952][ 0]LogConsoleResponse:Warning: Found in ini file '../../../CubeMark/Saved/Config/HTML5/Engine.ini', in section '[/Script/Engine.RendererSettings]'
L
[2015.02.24-23.15.48:955][ 0]LogConsoleResponse:Warning: Skipping Unknown console variable: 'UIScaleCurve = (EditorCurveData=(Keys=),ExternalCurve=None)'
L
[2015.02.24-23.15.48:958][ 0]LogConsoleResponse:Warning: Found in ini file '../../../CubeMark/Saved/Config/HTML5/Engine.ini', in section '[/Script/Engine.RendererSettings]'
L
[2015.02.24-23.15.48:964][ 0]LogConsoleManager:Warning: Console variable 'r.MSAA.CompositingSampleCount' wasn't set (Priority ProjectSetting < Scalability)
L
[2015.02.24-23.15.49:036][ 0]LogConfig:Warning: Failed to saved backup for config[DeviceProfiles]
[2015.02.24-23.15.49:045][ 0]LogInit: Setting Device Profile CVar: [[r.RefractionQuality:0]]
[2015.02.24-23.15.49:048][ 0]LogInit: Computer: Browser
[2015.02.24-23.15.49:051][ 0]LogInit: User: GenericUser
[2015.02.24-23.15.49:053][ 0]LogInit: Current Culture: en-US
[2015.02.24-23.15.49:055][ 0]LogInit: High frequency timer resolution =1.000000 MHz
[2015.02.24-23.15.49:057][ 0]LogInit: Memory total: Physical=1.0GB (1GB approx)
[2015.02.24-23.15.49:066][ 0]LogRHI: Initializing OpenGL RHI
[2015.02.24-23.15.49:069][ 0]LogRHI: GL_VENDOR: Mozilla
[2015.02.24-23.15.49:071][ 0]LogRHI: GL_RENDERER: Mozilla
[2015.02.24-23.15.49:073][ 0]LogRHI: GL_VERSION: WebGL 1.0
[2015.02.24-23.15.49:076][ 0]LogRHI: GL_SHADING_LANGUAGE_VERSION: OpenGL ES GLSL 1.00 (WebGL)
[2015.02.24-23.15.49:079][ 0]LogRHI: OpenGL Extensions:
[2015.02.24-23.15.49:081][ 0]LogRHI: ANGLE_instanced_arrays
[2015.02.24-23.15.49:083][ 0]LogRHI: GL_ANGLE_instanced_arrays
[2015.02.24-23.15.49:085][ 0]LogRHI: EXT_blend_minmax
[2015.02.24-23.15.49:087][ 0]LogRHI: GL_EXT_blend_minmax
[2015.02.24-23.15.49:089][ 0]LogRHI: EXT_frag_depth
[2015.02.24-23.15.49:092][ 0]LogRHI: GL_EXT_frag_depth
[2015.02.24-23.15.49:095][ 0]LogRHI: EXT_shader_texture_lod
[2015.02.24-23.15.49:098][ 0]LogRHI: GL_EXT_shader_texture_lod
[2015.02.24-23.15.49:101][ 0]LogRHI: EXT_texture_filter_anisotropic
[2015.02.24-23.15.49:104][ 0]LogRHI: GL_EXT_texture_filter_anisotropic
[2015.02.24-23.15.49:106][ 0]LogRHI: OES_element_index_uint
[2015.02.24-23.15.49:109][ 0]LogRHI: GL_OES_element_index_uint
[2015.02.24-23.15.49:112][ 0]LogRHI: OES_standard_derivatives
[2015.02.24-23.15.49:115][ 0]LogRHI: GL_OES_standard_derivatives
[2015.02.24-23.15.49:118][ 0]LogRHI: OES_texture_float
[2015.02.24-23.15.49:120][ 0]LogRHI: GL_OES_texture_float
[2015.02.24-23.15.49:122][ 0]LogRHI: OES_texture_float_linear
[2015.02.24-23.15.49:125][ 0]LogRHI: GL_OES_texture_float_linear
[2015.02.24-23.15.49:127][ 0]LogRHI: OES_texture_half_float
[2015.02.24-23.15.49:129][ 0]LogRHI: GL_OES_texture_half_float
[2015.02.24-23.15.49:132][ 0]LogRHI: OES_texture_half_float_linear
[2015.02.24-23.15.49:137][ 0]LogRHI: GL_OES_texture_half_float_linear
[2015.02.24-23.15.49:141][ 0]LogRHI: OES_vertex_array_object
[2015.02.24-23.15.49:144][ 0]LogRHI: GL_OES_vertex_array_object
[2015.02.24-23.15.49:147][ 0]LogRHI: WEBGL_color_buffer_float
[2015.02.24-23.15.49:150][ 0]LogRHI: GL_WEBGL_color_buffer_float
[2015.02.24-23.15.49:157][ 0]LogRHI: WEBGL_compressed_texture_s3tc
[2015.02.24-23.15.49:159][ 0]LogRHI: GL_WEBGL_compressed_texture_s3tc
[2015.02.24-23.15.49:162][ 0]LogRHI: WEBGL_depth_texture
[2015.02.24-23.15.49:164][ 0]LogRHI: GL_WEBGL_depth_texture
[2015.02.24-23.15.49:166][ 0]LogRHI: WEBGL_draw_buffers
[2015.02.24-23.15.49:168][ 0]LogRHI: GL_WEBGL_draw_buffers
[2015.02.24-23.15.49:170][ 0]LogRHI: WEBGL_lose_context
[2015.02.24-23.15.49:173][ 0]LogRHI: GL_WEBGL_lose_context
[2015.02.24-23.15.49:175][ 0]LogRHI: MOZ_WEBGL_lose_context
[2015.02.24-23.15.49:177][ 0]LogRHI: GL_MOZ_WEBGL_lose_context
[2015.02.24-23.15.49:180][ 0]LogRHI: MOZ_WEBGL_compressed_texture_s3tc
[2015.02.24-23.15.49:182][ 0]LogRHI: GL_MOZ_WEBGL_compressed_texture_s3tc
[2015.02.24-23.15.49:184][ 0]LogRHI: MOZ_WEBGL_depth_texture
[2015.02.24-23.15.49:186][ 0]LogRHI: GL_MOZ_WEBGL_depth_texture
[2015.02.24-23.15.49:190][ 0]LogRHI: GL_MAX_VERTEX_UNIFORM_VECTORS: 1024
[2015.02.24-23.15.49:193][ 0]LogRHI: GL_MAX_FRAGMENT_UNIFORM_VECTORS: 1024
[2015.02.24-23.15.49:201][ 0]LogRHI: Fragment shader lowp precision: 23
[2015.02.24-23.15.49:203][ 0]LogRHI: Fragment shader mediump precision: 23
[2015.02.24-23.15.49:205][ 0]LogRHI: Fragment shader highp precision: 23
[2015.02.24-23.15.49:207][ 0]LogRHI: GL_MAX_TEXTURE_SIZE: 16384
[2015.02.24-23.15.49:210][ 0]LogRHI: GL_MAX_CUBE_MAP_TEXTURE_SIZE: 16384
[2015.02.24-23.15.49:213][ 0]LogRHI: GL_MAX_RENDERBUFFER_SIZE: 16384
[2015.02.24-23.15.49:216][ 0]LogRHI: GL_MAX_TEXTURE_IMAGE_UNITS: 16
[2015.02.24-23.15.49:219][ 0]LogRHI: GL_MAX_COLOR_ATTACHMENTS: 1
[2015.02.24-23.15.49:222][ 0]LogRHI: GL_MAX_SAMPLES: 1
[2015.02.24-23.15.49:225][ 0]LogRHI: GL_MAX_COLOR_TEXTURE_SAMPLES: 1
[2015.02.24-23.15.49:228][ 0]LogRHI: GL_MAX_DEPTH_TEXTURE_SAMPLES: 1
[2015.02.24-23.15.49:231][ 0]LogRHI: GL_MAX_INTEGER_SAMPLES: 1
[2015.02.24-23.15.49:234][ 0]LogRHI: GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS: 32
[2015.02.24-23.15.49:237][ 0]LogRHI: GL_MAX_VERTEX_ATTRIBS: 16
[2015.02.24-23.15.49:240][ 0]LogRHI: GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT: 16
[2015.02.24-23.15.49:243][ 0]LogRHI: OpenGL MajorVersion = 2, MinorVersion = 0, ShaderPlatform = GLSL_ES2_WEBGL, FeatureLevel = ES2
[2015.02.24-23.15.49:270][ 0]LogTextLocalizationManager: The requested culture ('en_US') has no localization data; parent culture's ('en') localization data will be used.
L
[2015.02.24-23.15.50:140][ 0]LogConfig:Warning: Failed to saved backup for config[EditorUserSettings]
[2015.02.24-23.15.50:305][ 0]LogObj: 20183 objects as part of root set at end of initial load.
[2015.02.24-23.15.50:308][ 0]LogUObjectAllocator: 2963416 out of 0 bytes used by permanent object pool.
L
[2015.02.24-23.15.50:312][ 0]LogHTML5Launch:Display: PreInit Complete
L
[2015.02.24-23.15.50:316][ 0]LogHTML5Launch:Display: Init Start
[2015.02.24-23.15.50:321][ 0]LogEngine: Initializing Engine...
[2015.02.24-23.15.50:366][ 0]LogALAudio: ALAudio device opened : Device
[2015.02.24-23.15.50:369][ 0]LogALAudio: AL_VENDOR : Emscripten
[2015.02.24-23.15.50:371][ 0]LogALAudio: AL_RENDERER : WebAudio
[2015.02.24-23.15.50:373][ 0]LogALAudio: AL_VERSION : 1.1
[2015.02.24-23.15.50:376][ 0]LogALAudio: AL_EXTENSIONS :
[2015.02.24-23.15.50:380][ 0]LogInit: FAudioDevice initialized.
[2015.02.24-23.15.50:382][ 0]LogInit: Texture streaming: Disabled
L
[2015.02.24-23.15.50:399][ 0]LogConfig:Warning: Failed to saved backup for config[GameUserSettings]
L
[2015.02.24-23.15.50:412][ 0]LogConfig:Warning: Failed to saved backup for config[GameUserSettings]
[2015.02.24-23.15.50:451][ 0]LogNet: Browse: /Game/Maps/Menu?Name=Player
[2015.02.24-23.15.50:454][ 0]LogLoad: LoadMap: /Game/Maps/Menu?Name=Player
[2015.02.24-23.15.50:475][ 0]LogMemory: Platform Memory Stats for HTML5
[2015.02.24-23.15.50:478][ 0]LogMemory: Process Physical Memory: 0.00 MB used, 0.00 MB peak
[2015.02.24-23.15.50:481][ 0]LogMemory: Process Virtual Memory: 0.00 MB used, 0.00 MB peak
[2015.02.24-23.15.50:484][ 0]LogMemory: Physical Memory: 1024.00 MB used, 1024.00 MB total
[2015.02.24-23.15.50:486][ 0]LogMemory: Virtual Memory: 0.00 MB used, 0.00 MB total
[2015.02.24-23.15.50:488][ 0]LogMemory:
[2015.02.24-23.15.50:491][ 0]Allocator Stats for ANSI: (not implemented)
[2015.02.24-23.15.50:826][ 0]LogWorld: Game class is 'GameMode'
L
[2015.02.24-23.15.50:843][ 0]LogStats:Warning: MetaData mismatch. Did you assign a stat to two groups? New //STATGROUP_Threads//None///Thread_10000_0///////STATCAT_Advanced//// old //STATGROUP_Threads//None///Thread_ffff_0///////STATCAT_Advanced////
L
[2015.02.24-23.15.50:848][ 0]LogStats:Warning: MetaData mismatch. Did you assign a stat to two groups? New //STATGROUP_Threads//None///Thread_10001_0///////STATCAT_Advanced//// old //STATGROUP_Threads//None///Thread_ffff_0///////STATCAT_Advanced////
L
[2015.02.24-23.15.50:866][ 0]LogModuleManager:Warning: ModuleManager: Module 'GameplayDebugger' not found - its StaticallyLinkedModuleInitializers function is null.
[2015.02.24-23.15.50:869][ 0]LogAIModule: Creating AISystem for world Menu
[2015.02.24-23.15.51:163][ 0]LogWorld: Bringing World /Game/Maps/Menu.Menu up for play (max tick rate 0) at 2015.02.24-23.15.51
[2015.02.24-23.15.51:166][ 0]LogWorld: Bringing up level for play took: 0.293509
[2015.02.24-23.15.51:172][ 0]LogGameMode: Warning - PATHS NOT DEFINED or NO PLAYERSTART with positive rating
[2015.02.24-23.15.51:324][ 0]LogBlueprintUserMessages: CurrentMark