Thread 1 exc_bad_access (code=2 address=0x16f603ff0) July 8, 2019 16 32 64 128 Thread 1 exc_bad_access (code=1 address=0x4) Thread 1 exc_bad_access (code=2 address=0x16f603ff8) Thread 1 exc_bad_access (code=2 address=0x7ff7bf6ffff8) Thread 1 exc_bad_access (code=1 address=0x16fe00000)