When I run Unreal Tournament Editor on my on my mac it crashes even though when I play unreal tournament itself my computer runs just fine

Specs:
iMac (Retina 5K, 27-inch, Late 2015),
3.2 GHz Intel Core i5,
8 GB 1867 MHz DDR3,
AMD Radeon R9 M380 2 GB,

LoginId:cc80ac577b438fde
EpicAccountId:920f85c3

SEGV_NOOP at 0x0

SLSNewWindowWithOpaqueShape Address = 0x7fff4d0bd485 (filename not found) [in SkyLight]
-[_NSCGSWindow initWithConnectionID:] Address = 0x7fff2981b548 (filename not found) [in AppKit]
+[NSCGSWindow(NSCGSWindowCreation) windowWithConnectionID:] Address = 0x7fff2981a490 (filename not found) [in AppKit]
_NSCreateWindowWithOpaqueShape2 Address = 0x7fff28f19e6d (filename not found) [in AppKit]
-[NSWindow _commonAwake] Address = 0x7fff28f18b5b (filename not found) [in AppKit]
-[NSWindow _commonInitFrame:styleMask:backing:defer:] Address = 0x7fff28d5a4b0 (filename not found) [in AppKit]
-[NSWindow _initContent:styleMask:backing:defer:contentView:] Address = 0x7fff28d58c3d (filename not found) [in AppKit]
-[NSWindow initWithContentRect:styleMask:backing:defer:] Address = 0x7fff28d586f6 (filename not found) [in AppKit]
invocation function for block in FMacPlatformSplash::Show() Address = 0x106d470c7 (filename not found) [in UE4Editor-Core.dylib]
invocation function for block in PerformBlockOnThread(FCocoaRunLoopSource&, void () block_pointer, NSArray*, NSString*, bool) Address = 0x106cf0410 (filename not found) [in UE4Editor-Core.dylib]
FCocoaRunLoopSource::Process(__CFString const*) Address = 0x106cc81a4 (filename not found) [in UE4Editor-Core.dylib]
-[FCocoaRunLoopSourceInfo perform] Address = 0x106cc7bf6 (filename not found) [in UE4Editor-Core.dylib]
Unknown() Address = 0x7fff2b784721 (filename not found) [in CoreFoundation]
Unknown() Address = 0x7fff2b83e0ac (filename not found) [in CoreFoundation]
Unknown() Address = 0x7fff2b767260 (filename not found) [in CoreFoundation]
Unknown() Address = 0x7fff2b7666dd (filename not found) [in CoreFoundation]
Unknown() Address = 0x7fff2b765f43 (filename not found) [in CoreFoundation]
RunCurrentEventLoopInMode Address = 0x7fff2aa7de26 (filename not found) [in HIToolbox]
ReceiveNextEventCommon Address = 0x7fff2aa7db96 (filename not found) [in HIToolbox]
_BlockUntilNextEventMatchingListInModeWithFilter Address = 0x7fff2aa7d914 (filename not found) [in HIToolbox]
_DPSNextEvent Address = 0x7fff28d48f5f (filename not found) [in AppKit]
-[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] Address = 0x7fff294deb4c (filename not found) [in AppKit]
-[NSApplication run] Address = 0x7fff28d3dd6d (filename not found) [in AppKit]
tchar_main(int, wchar_t**) Address = 0x106aa1973 (filename not found) [in UE4Editor]
main Address = 0x106aa1209 (filename not found) [in UE4Editor]
start Address = 0x7fff5308d115 (filename not found) [in libdyld.dylib]