Thread 1 exc_bad_access code 1 address 0x50 July 8, 2019 16 32 64 128 Thread 1 exc_bad_access (code=1 address=0x4) Thread 1 exc_bad_access (code=1 address=0x50) Thread 1 exc_bad_access (code=1 address=0x58) Thread 1 exc_bad_access (code=1 address=0x37) Thread 1 exc_bad_access (code=1 address=0x90)