Whenever I build for HTML5 from Frontend, I get a “build failed” with this exception: Program.Main: ERROR: Exception in mscorlib: Could not find file ‘D:\Unreal Projects\UnrealEngine\Engine\Binaries\HTML5\UE4Game.js’. I guess it failed to produce the UE4Game.js file, which is why it’s throwing thi…

Thanks for the help. I found out what the problem was. It turns out the solution to my problem was simply to build my game project in Visual Studio with the “Development” setup for the Windows platform. Then I could package my game for HTML5 without errors!

Mscorlib exception when building for HTML5

Development Platform & Builds

anonymous_user_898f9117 (anonymous_user_898f9117) January 23, 2015, 5:22pm 5

Worked for me with UE 4.6 but not 4.5. What do you have to build exactly?