HTML5 Project Not Compiling when externally hosted

I have compiled my project into HTML5 files (UE 4.10), it works fine locally. But when I host the files externally (via S3), it doesn’t compile, it downloads the files and does load the progress bar fully, but crashes before launching. I am running this on OSX 10.9.5 64-bit machine.

I get the following console error when running Chrome (V47.0 64-bit), the screen output is null:


 
Uncaught abort(143) at Error
     at jsStackTrace (blob:http%3A//localhost%3A3000/6debed7e-74fd-4eb5-9f5a-d55b7363f127:1:20996)
     at stackTrace (blob:http%3A//localhost%3A3000/6debed7e-74fd-4eb5-9f5a-d55b7363f127:1:21179)
     at abort (blob:http%3A//localhost%3A3000/6debed7e-74fd-4eb5-9f5a-d55b7363f127:57:70859)
     at Array.QzW (blob:http%3A//localhost%3A3000/6debed7e-74fd-4eb5-9f5a-d55b7363f127:50:456591)
     at EC (blob:http%3A//localhost%3A3000/6debed7e-74fd-4eb5-9f5a-d55b7363f127:31:207256)
     at xHN (blob:http%3A//localhost%3A3000/6debed7e-74fd-4eb5-9f5a-d55b7363f127:10:1199216)
     at wv (blob:http%3A//localhost%3A3000/6debed7e-74fd-4eb5-9f5a-d55b7363f127:31:85482)
     at Qu (blob:http%3A//localhost%3A3000/6debed7e-74fd-4eb5-9f5a-d55b7363f127:31:79607)
     at Nt (blob:http%3A//localhost%3A3000/6debed7e-74fd-4eb5-9f5a-d55b7363f127:31:69155)
     at __ATINIT__.push.func (blob:http%3A//localhost%3A3000/6debed7e-74fd-4eb5-9f5a-d55b7363f127:1:27834)
 If this abort() is unexpected, build with -s ASSERTIONS=1 which can give more information.


I am not sure what is causing this error.

When using Firefox (V43.0.1 64-bit) I get the following error output on screen:



 b143
 FMemory::Malloc(unsigned long, unsigned int)
 operator new()
 undefined TBaseDelegate?9()
 undefined?C? FStaticallyLinkedModuleRegistrant?2()
 __GLOBAL__sub_I_Module_Launch_cpp

And the following console output:


 uncaught exception: abort(143) at jsStackTrace@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:1:20996
 stackTrace@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:1:21179
 abort@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:57:70859
 QzW@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:50:456591
 EC@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:31:207227
 xHN@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:10:1199216
 wv@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:31:85482
 Qu@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:31:79607
 Nt@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:31:69155
 .func@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:1:27834
 callRuntimeCallbacks@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:1:23423
 ensureInitRuntime@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:1:23923
 doRun@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:57:69606
 run/<@blob:http://localhost/d42385a3-0b5a-ae46-a878-467147039387:57:70028

Please advise. Thanks.