(lldb) call printCallStack()
0x7ffeefbe3920 M INVALID RECEIVER>(nil) 0x148716b40: a(n) bad class
0x7ffeefbe3968 M [] in INVALID RECEIVER>(nil) Context(Object)>>doesNotUnderstand: #bounds
0x194648118: a(n) bad class
0x7ffeefbe39a8 M INVALID RECEIVER>(nil) 0x1489fcec0: a(n) bad class
0x7ffeefbe39e8 M INVALID RECEIVER>(nil) 0x1489fcec0: a(n) bad class
0x7ffeefbe3a30 I INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbe3a80 M [] in INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbe3ab8 M INVALID RECEIVER>(nil) 0x148163cd0: a(n) bad class
0x7ffeefbe3b08 I INVALID RECEIVER>(nil) 0x148163c18: a(n) bad class
0x7ffeefbe3b40 M INVALID RECEIVER>(nil) 0x148163c18: a(n) bad class
0x7ffeefbe3b78 M INVALID RECEIVER>(nil) 0x1481634e0: a(n) bad class
0x7ffeefbe3bc0 I INVALID RECEIVER>(nil) 0x148716a38: a(n) bad class
0x7ffeefbe3c10 I INVALID RECEIVER>(nil) 0x14d0338e8: a(n) bad class
0x7ffeefbe3c40 M INVALID RECEIVER>(nil) 0x14d0338e8: a(n) bad class
0x7ffeefbe3c78 M INVALID RECEIVER>(nil) 0x14d0338e8: a(n) bad class
0x7ffeefbe3cc0 M INVALID RECEIVER>(nil) 0x14d0337f0: a(n) bad class
0x7ffeefbe3d08 M INVALID RECEIVER>(nil) 0x14d033738: a(n) bad class
0x7ffeefbe3d50 M INVALID RECEIVER>(nil) 0x14d033680: a(n) bad class
0x7ffeefbe3d98 M INVALID RECEIVER>(nil) 0x1946493f0: a(n) bad class
0x7ffeefbe3de0 M INVALID RECEIVER>(nil) 0x194649338: a(n) bad class
0x7ffeefbe3e28 M INVALID RECEIVER>(nil) 0x194649280: a(n) bad class
0x7ffeefbe3e70 M INVALID RECEIVER>(nil) 0x1946491c8: a(n) bad class
0x7ffeefbe3eb8 M INVALID RECEIVER>(nil) 0x194649110: a(n) bad class
0x7ffeefbec768 M INVALID RECEIVER>(nil) 0x194649038: a(n) bad class
0x7ffeefbec7b0 M INVALID RECEIVER>(nil) 0x194648f60: a(n) bad class
0x7ffeefbec7f8 M INVALID RECEIVER>(nil) 0x194648e88: a(n) bad class
0x7ffeefbec840 M INVALID RECEIVER>(nil) 0x194648dd0: a(n) bad class
0x7ffeefbec888 M INVALID RECEIVER>(nil) 0x194648d18: a(n) bad class
0x7ffeefbec8d0 M INVALID RECEIVER>(nil) 0x194648c60: a(n) bad class
0x7ffeefbec918 M INVALID RECEIVER>(nil) 0x194648b88: a(n) bad class
0x7ffeefbec960 M INVALID RECEIVER>(nil) 0x194648ad0: a(n) bad class
0x7ffeefbec9a8 M INVALID RECEIVER>(nil) 0x194648a18: a(n) bad class
0x7ffeefbec9f0 M INVALID RECEIVER>(nil) 0x194648960: a(n) bad class
0x7ffeefbeca38 M INVALID RECEIVER>(nil) 0x1946488a8: a(n) bad class
0x7ffeefbeca80 M INVALID RECEIVER>(nil) 0x1946487f0: a(n) bad class
0x7ffeefbecac8 M INVALID RECEIVER>(nil) 0x194648708: a(n) bad class
0x7ffeefbecb10 M INVALID RECEIVER>(nil) 0x194648620: a(n) bad class
0x7ffeefbecb58 M INVALID RECEIVER>(nil) 0x194648508: a(n) bad class
0x7ffeefbecba0 M INVALID RECEIVER>(nil) 0x194648450: a(n) bad class
0x7ffeefbecbe8 M INVALID RECEIVER>(nil) 0x1481641a8: a(n) bad class
0x7ffeefbecc30 M INVALID RECEIVER>(nil) 0x1481640f0: a(n) bad class
0x7ffeefbecc78 M INVALID RECEIVER>(nil) 0x148164038: a(n) bad class
0x7ffeefbeccc0 M INVALID RECEIVER>(nil) 0x148163f80: a(n) bad class
0x7ffeefbecd08 M INVALID RECEIVER>(nil) 0x148163ec8: a(n) bad class
0x7ffeefbecd50 M INVALID RECEIVER>(nil) 0x148163e10: a(n) bad class
0x7ffeefbecd98 M INVALID RECEIVER>(nil) 0x148163d28: a(n) bad class
0x7ffeefbecde0 M INVALID RECEIVER>(nil) 0x148163c18: a(n) bad class
0x7ffeefbece28 M INVALID RECEIVER>(nil) 0x148163b38: a(n) bad class
0x7ffeefbece70 M INVALID RECEIVER>(nil) 0x148163a80: a(n) bad class
0x7ffeefbeceb8 M INVALID RECEIVER>(nil) 0x1481639c8: a(n) bad class
0x7ffeefbe7758 M INVALID RECEIVER>(nil) 0x1481638e0: a(n) bad class
0x7ffeefbe77a0 M INVALID RECEIVER>(nil) 0x148163808: a(n) bad class
0x7ffeefbe77e8 M INVALID RECEIVER>(nil) 0x148163750: a(n) bad class
0x7ffeefbe7830 M INVALID RECEIVER>(nil) 0x148163698: a(n) bad class
0x7ffeefbe7878 M INVALID RECEIVER>(nil) 0x1481635c0: a(n) bad class
0x7ffeefbe78c0 M INVALID RECEIVER>(nil) 0x1481634e0: a(n) bad class
0x7ffeefbe7908 M INVALID RECEIVER>(nil) 0x148163408: a(n) bad class
0x7ffeefbe7950 M INVALID RECEIVER>(nil) 0x148163350: a(n) bad class
0x7ffeefbe7998 M INVALID RECEIVER>(nil) 0x148163298: a(n) bad class
0x7ffeefbe79e0 M INVALID RECEIVER>(nil) 0x148163188: a(n) bad class
0x7ffeefbe7a28 M INVALID RECEIVER>(nil) 0x148163098: a(n) bad class
0x7ffeefbe7a70 M INVALID RECEIVER>(nil) 0x148162fa0: a(n) bad class
0x7ffeefbe7ab8 M INVALID RECEIVER>(nil) 0x148162ec8: a(n) bad class
0x7ffeefbe7b00 M INVALID RECEIVER>(nil) 0x148162e10: a(n) bad class
0x7ffeefbe7b48 M INVALID RECEIVER>(nil) 0x148712a08: a(n) bad class
0x7ffeefbe7b90 M INVALID RECEIVER>(nil) 0x148712950: a(n) bad class
0x7ffeefbe7bd8 M INVALID RECEIVER>(nil) 0x148712898: a(n) bad class
0x7ffeefbe7c20 M INVALID RECEIVER>(nil) 0x148713cc0: a(n) bad class
0x7ffeefbe7c68 M INVALID RECEIVER>(nil) 0x148713018: a(n) bad class
0x7ffeefbe7cb0 M INVALID RECEIVER>(nil) 0x148713480: a(n) bad class
0x7ffeefbe7cf8 M INVALID RECEIVER>(nil) 0x148713140: a(n) bad class
0x7ffeefbe7d40 M INVALID RECEIVER>(nil) 0x148713928: a(n) bad class
0x7ffeefbe7d88 M INVALID RECEIVER>(nil) 0x1487133c8: a(n) bad class
0x7ffeefbe7de0 I INVALID RECEIVER>(nil) 0x148713238: a(n) bad class
0x7ffeefbe7e28 I INVALID RECEIVER>(nil) 0x1487131f8: a(n) bad class
0x7ffeefbe7e70 I INVALID RECEIVER>(nil) 0x1487131f8: a(n) bad class
0x7ffeefbe7eb8 I INVALID RECEIVER>(nil) 0x1487123d8: a(n) bad class
0x7ffeefbeea68 I INVALID RECEIVER>(nil) 0x1487123d8: a(n) bad class
0x7ffeefbeeac8 M [] in INVALID RECEIVER>(nil) 0x1487123d8: a(n) bad class
0x7ffeefbeeb00 M INVALID RECEIVER>(nil) 0x148713108: a(n) bad class
0x7ffeefbeeb50 I INVALID RECEIVER>(nil) 0x148713480: a(n) bad class
0x7ffeefbeeb98 I INVALID RECEIVER>(nil) 0x148713480: a(n) bad class
0x7ffeefbeebe0 I INVALID RECEIVER>(nil) 0x1487131f8: a(n) bad class
0x7ffeefbeec10 M INVALID RECEIVER>(nil) 0x9=1
0x7ffeefbeec48 M INVALID RECEIVER>(nil) 0x1487123c8: a(n) bad class
0x7ffeefbeeca0 M [] in INVALID RECEIVER>(nil) 0x1487123d8: a(n) bad class
0x7ffeefbeecd0 M INVALID RECEIVER>(nil) 0x1487130d0: a(n) bad class
0x7ffeefbeed10 M INVALID RECEIVER>(nil) 0x1487123d8: a(n) bad class
0x7ffeefbeed58 M INVALID RECEIVER>(nil) 0x1487123d8: a(n) bad class
0x7ffeefbeedb0 I INVALID RECEIVER>(nil) 0x1487123c8: a(n) bad class
0x7ffeefbeedf0 I INVALID RECEIVER>(nil) 0x1487123c8: a(n) bad class
0x7ffeefbeee20 M [] in INVALID RECEIVER>(nil) 0x148162ce8: a(n) bad class
0x7ffeefbeee78 M INVALID RECEIVER>(nil) 0x148162df0: a(n) bad class
0x7ffeefbeeec0 M INVALID RECEIVER>(nil) 0x148162ce8: a(n) bad class
0x7ffeefbe5978 M INVALID RECEIVER>(nil) 0x148162f80: a(n) bad class
0x7ffeefbe59d8 M [] in INVALID RECEIVER>(nil) 0x148162f80: a(n) bad class
0x7ffeefbe5a18 M INVALID RECEIVER>(nil) 0x148163150: a(n) bad class
0x7ffeefbe5a68 M INVALID RECEIVER>(nil) 0x148162f80: a(n) bad class
0x7ffeefbe5aa0 M INVALID RECEIVER>(nil) 0x148162f80: a(n) bad class
0x7ffeefbe5ad8 M [] in INVALID RECEIVER>(nil) 0x148162f80: a(n) bad class
0x7ffeefbe5b08 M INVALID RECEIVER>(nil) 0x1481634c0: a(n) bad class
0x7ffeefbe5b48 M INVALID RECEIVER>(nil) 0x14c403ca8: a(n) bad class
0x7ffeefbe5b88 M INVALID RECEIVER>(nil) 0x148162f80: a(n) bad class
0x7ffeefbe5bc0 M INVALID RECEIVER>(nil) 0x148162f80: a(n) bad class
0x7ffeefbe5bf0 M [] in INVALID RECEIVER>(nil) 0x148162f80: a(n) bad class
0x7ffeefbe5c20 M INVALID RECEIVER>(nil) 0x148162f80: a(n) bad class
0x7ffeefbe5c68 M INVALID RECEIVER>(nil) 0x148162f80: a(n) bad class
0x7ffeefbe5c98 M INVALID RECEIVER>(nil) 0x194656468: a(n) bad class
0x7ffeefbe5cd0 M [] in INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbe5d00 M INVALID RECEIVER>(nil) 0x148163bf0: a(n) bad class
0x7ffeefbe5d50 M [] in INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbe5d88 M INVALID RECEIVER>(nil) 0x1489fcff0: a(n) bad class
0x7ffeefbe5dc0 M INVALID RECEIVER>(nil) 0x1489fcff0: a(n) bad class
0x7ffeefbe5e00 M INVALID RECEIVER>(nil) 0x148163de0: a(n) bad class
0x7ffeefbe5e38 M INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbe5e80 M INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbe5eb8 M [] in INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbdf9d8 M INVALID RECEIVER>(nil) 0x194648430: a(n) bad class
0x7ffeefbdfa10 M [] in INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbdfa50 M [] in INVALID RECEIVER>(nil) 0x148a02930: a(n) bad class
0x7ffeefbdfa90 M INVALID RECEIVER>(nil) 0x1946486d8: a(n) bad class
0x7ffeefbdfad0 M INVALID RECEIVER>(nil) 0x148a02930: a(n) bad class
0x7ffeefbdfb10 M INVALID RECEIVER>(nil) 0x1946485e0: a(n) bad class
0x7ffeefbdfb48 M INVALID RECEIVER>(nil) 0x1489f7da8: a(n) bad class
0x7ffeefbdfb80 M INVALID RECEIVER>(nil) 0x148a02930: a(n) bad class
0x7ffeefbdfbb8 M INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbdfbe8 M [] in INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbdfc20 M INVALID RECEIVER>(nil) 0x1489fcff0: a(n) bad class
0x7ffeefbdfc58 M INVALID RECEIVER>(nil) 0x1489fcff0: a(n) bad class
0x7ffeefbdfc98 M INVALID RECEIVER>(nil) 0x194648c40: a(n) bad class
0x7ffeefbdfcc8 M [] in INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbdfd08 M INVALID RECEIVER>(nil) 0x194648f40: a(n) bad class
0x7ffeefbdfd40 M [] in INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbdfd70 M INVALID RECEIVER>(nil) 0x14902a730: a(n) bad class
0x7ffeefbdfdb0 M INVALID RECEIVER>(nil) 0x194648118: a(n) bad class
0x7ffeefbdfde8 M INVALID RECEIVER>(nil) 0x14c4033c0: a(n) bad class
0x7ffeefbdfe20 M [] in INVALID RECEIVER>(nil) 0x14c4033c0: a(n) bad class
0x7ffeefbdfe70 M [] in INVALID RECEIVER>(nil) 0x14d032f98: a(n) bad class
0x7ffeefbdfeb8 M INVALID RECEIVER>(nil) 0x14d032fe0: a(n) bad class
(callerContextOrNil == (nilObject())) || (isContext(callerContextOrNil)) 72783
0x14d033738 is not a context