ios - All Exceptions breakpoint not finding "unrecognized selector sent to instance" error -


i getting following error:

[__nscfnumber length]: unrecognized selector sent instance

i understand error means, not able find coming from. turning on all exceptions breakpoint not helping, , not showing me line , file error coming from. does.

wasted 4 hours trying manual breakpoints no luck. idea how can find this?

i figured out. api using changed string value number, nsstring had 1 of objects getting set nsnumber instead of string. then, later in code trying set label. caused crash.


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