Thread 1 exc_bad_access (code=1 address=0x1f0) July 8, 2019 16 32 64 128 Thread 1 exc_bad_access (code=1 address=0x4) Thread 1 exc_bad_access (code=1 address=0x1f) Thread 1 exc_bad_access (code=1 address=0x7fb) Thread 1 exc_bad_access (code=1 address=0x3b0) Thread 1 exc_bad_access (code=1 address