Why am I crashing when I keep opening it up?

I keep opening it up and then it says Epic games and unreal engine have crashed what do I do?

How about more information. Isn’t there any log?

I have the same problem, here’s the summary the crash report client provided:

Fatal error: [File:Unknown] [Line: 330] Unsupported primitive topology 50

Unknown() Address = 0x10412ed3b (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1042bb920 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1042340ed (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1041fbd74 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1040ada94 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1040a93ec (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1040a914b (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1040a9ae8 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1047ffb2c (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1047ff8bd (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x10411adfb (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x10411aa78 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x10411a9cc (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1041529aa (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1041450e6 (filename not found) [in FortniteClient-Mac-Shipping]
_pthread_body Address = 0x7fff5e4ab6c1 (filename not found) [in libsystem_pthread.dylib]
_pthread_body Address = 0x7fff5e4ab56d (filename not found) [in libsystem_pthread.dylib]
thread_start Address = 0x7fff5e4aac5d (filename not found) [in libsystem_pthread.dylib]

I wish I could help but I have the SAME problem and I don’t get it I have everything to run it it makes to sense