Thread 1 exc_bad_access (code=1 address=0xa) July 8, 2019 16 32 64 128 Thread 1 exc_bad_access code 1 address 0xa Thread 1 exc_bad_access (code=1 address=0x4) Thread 1 exc_bad_access (code=1 address Thread 1 exc_bad_access (code=1 address=0x3b0) Thread 1 exc_bad_access (code=1 address=0xc)