[Engine] [Info]: Hello LWJGL 3.2.3 build 13! Initializing engine...
2020-06-02 21:52:57.531 java[77557:2389391] *** Assertion failure in +[NSUndoManager _endTopLevelGroupings], /BuildRoot/Library/Caches/com.apple.xbs/Sources/Foundation/Foundation-1575.22/Foundation/Misc.subproj/NSUndoManager.m:361
2020-06-02 21:52:57.533 java[77557:2389391] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '+[NSUndoManager(NSInternal) _endTopLevelGroupings] is only safe to invoke on the main thread.'
*** First throw call stack:
(
    0   CoreFoundation                      0x00007fff48313b79 __exceptionPreprocess + 256
    1   libobjc.A.dylib                     0x00007fff72aac3c6 objc_exception_throw + 48
    2   CoreFoundation                      0x00007fff4832eb7a +[NSException raise:format:arguments:] + 98
    3   Foundation                          0x00007fff4a5ec791 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 194
    4   Foundation                          0x00007fff4a51f80e +[NSUndoManager(NSPrivate) _endTopLevelGroupings] + 473
    5   AppKit                              0x00007fff4583e661 -[NSApplication run] + 916
    6   libglfw.dylib                       0x000000012d042a85 libglfw.dylib + 68229
    7   libglfw.dylib                       0x000000012d03c416 libglfw.dylib + 42006
    8   ???                                 0x00000001118a7630 0x0 + 4589254192
    9   ???                                 0x00000001118a19d0 0x0 + 4589230544
)
libc++abi.dylib: terminating with uncaught exception of type NSException

Process finished with exit code 134 (interrupted by signal 6: SIGABRT)