So i have had this problem with multiple games but any time i run and game using unreal engine, the app icon pops up on my tool bar than a couple of seconds later it vanishes and the app crashes. I recently downloaded fortnite through the epic games launcher and it fortnite is having the same problem. here is the crash report and my specs;
FGenericPlatformMisc::RaiseException(unsigned int) Address = 0x1107737fb (filename not found) [in FortniteClient-Mac-Shipping]
FOutputDeviceMacError::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&) Address = 0x110853a16 (filename not found) [in FortniteClient-Mac-Shipping]
FOutputDevice::Logf(wchar_t const*, …) Address = 0x1108b37fc (filename not found) [in FortniteClient-Mac-Shipping]
FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, …) Address = 0x11087aa84 (filename not found) [in FortniteClient-Mac-Shipping]
LoadPhysXModules() Address = 0x111ea9fb3 (filename not found) [in FortniteClient-Mac-Shipping]
InitGamePhys() Address = 0x111e9261a (filename not found) [in FortniteClient-Mac-Shipping]
FEngineLoop::PreInit(wchar_t const*) Address = 0x10f5322be (filename not found) [in FortniteClient-Mac-Shipping]
GuardedMain(wchar_t const*) Address = 0x10f53851a (filename not found) [in FortniteClient-Mac-Shipping]
-[UE4AppDelegate runGameThread:] Address = 0x10f53ebc7 (filename not found) [in FortniteClient-Mac-Shipping]
-[FCocoaGameThread main] Address = 0x1108019e0 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x7fffbd1258ad (filename not found) [in Foundation]
_pthread_body Address = 0x7fffd10a393b (filename not found) [in libsystem_pthread.dylib]
_pthread_body Address = 0x7fffd10a3887 (filename not found) [in libsystem_pthread.dylib]
thread_start Address = 0x7fffd10a308d (filename not found) [in libsystem_pthread.dylib]
MacBook Pro (Retina, 13-inch, Early 2015)
Processor 2.7 GHz Intel Core i5
Memory 8 GB 1867 MHz DDR3
Startup disk Macintosh HD
Graphics Intel Iris Graphics 6100 1536 MB
Version Mac OS Sierra 10.12.6
SOME PLEASE HELP!!!