Thread 1 exc_bad_access (code=1 address=0x60) July 8, 2019 16 32 64 128 Thread 1 exc_bad_access (code=1 address=0x4) Thread 1 exc_bad_access (code=2 address=0x1000c4060) Thread 1 exc_bad_access (code=1 address=0x90) Thread 1 exc_bad_access (code=1 address=0x58)