Hi, since version 4.16 I get this error: Expression (Key.IsValid()) failed in D:\Build++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:5828! Check console for details. everytime I lunch a html5 project. uncaught exception: ASM_CONSTS<@blob:http://localhost:53501/75671120-089a-402c-8afa-50281ee8bab4:1:28640 _emscripten_asm_const_iiii@blob:http://localhost:53501/75671120-089a-402c-8afa-50281ee8bab4:1:32675 __Z15html5_break_msgPKcS0_i@blob:http://localhost:53501/58b4bb97-0844-4602-a48a-2ca2129bb39c:62:1 __ZN17FSlateApplication18OnControllerAnalogE5FNameif@blob:http://localhost:53501/58b4bb97-0844-4602-a48a-2ca2129bb39c:19:1 __ZThn148_N17FSlateApplication18OnControllerAnalogE5FNameif@blob:http://localhost:53501/58b4bb97-0844-4602-a48a-2ca2129bb39c:19:1 __ZN20FHTML5InputInterface20SendControllerEventsEv@blob:http://localhost:53501/58b4bb97-0844-4602-a48a-2ca2129bb39c:41:1 __ZN17FHTML5Application19PollGameDeviceStateEf@blob:http://localhost:53501/58b4bb97-0844-4602-a48a-2ca2129bb39c:41:1 __ZN17FSlateApplication19PollGameDeviceStateEv@blob:http://localhost:53501/58b4bb97-0844-4602-a48a-2ca2129bb39c:58:1 __ZN11FEngineLoop4TickEv@blob:http://localhost:53501/58b4bb97-0844-4602-a48a-2ca2129bb39c:62:1 __Z10HTML5_Tickv@blob:http://localhost:53501/58b4bb97-0844-4602-a48a-2ca2129bb39c:62:1 dynCall_v@blob:http://localhost:53501/58b4bb97-0844-4602-a48a-2ca2129bb39c:124:1 browserIterationFunc@blob:http://localhost:53501/75671120-089a-402c-8afa-50281ee8bab4:1:98731 runIter@blob:http://localhost:53501/75671120-089a-402c-8afa-50281ee8bab4:1:101842 Browser_mainLoop_runner@blob:http://localhost:53501/75671120-089a-402c-8afa-50281ee8bab4:1:100268
This seems to be something related to game controllers. Do you have any gamepads connected on the system by any chance? If so, does unconnecting those help?