Help, wont run. crash report down here

Okay, so i just downloaded fornite and it wont run ,

if you can give me some advice on this would be great. im running on a macbook pro and the game was downloaded directly to a external HDD.

SEGV_MAPERR at 0x3

Unknown() Address = 0x1047788db (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x104859186 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1048b920c (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x104880314 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x105eaee33 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x105e9755a (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1034938e7 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x103499b6a (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x1034a0337 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x104807130 (filename not found) [in FortniteClient-Mac-Shipping]
Unknown() Address = 0x7fff8d67a8ad (filename not found) [in Foundation]
_pthread_body Address = 0x7fffa1a1d93b (filename not found) [in libsystem_pthread.dylib]
_pthread_body Address = 0x7fffa1a1d887 (filename not found) [in libsystem_pthread.dylib]
thread_start Address = 0x7fffa1a1d08d (filename not found) [in libsystem_pthread.dylib]