objective c - iOS 8.4.1 string compare is working but in iOS 9.3.2 it is not working -

pfobject compare:options:range error when searching parse.com class

my code similar above link. working in ios 8.4.1 crashing in ios 9.3.2

nsstring *name = [nsstring stringwithcstring:combined_name encoding:nsasciistringencoding]; nscomparisonresult result = [name compare : searchtext                                   options : (nscaseinsensitivesearch|nsdiacriticinsensitivesearch)                                     range : nsmakerange(0, [searchtext length])]; if (result == nsorderedsame) {     [self.list addobject:name]; } 

in above code combined_name character array. guide me.

i using above code in following method.

- (void) updatesearchresultsforsearchcontroller:(uisearchcontroller *) searchcontroller 

crashing in compare method.

the screenshot is

nsmakerange(0, [searchtext length]) causing problem.

below code working fine.

nscomparisonresult result = [name compare : searchtext                                   options : (nscaseinsensitivesearch|nsdiacriticinsensitivesearch)                                     range : [name rangeofstring: searchtext options : (nscaseinsensitivesearch|nsdiacriticinsensitivesearch)]];