NSUInteger and NSInteger are different lengths on 32-bit (int) and 64-bit (long). In order for one format specifier to work for both architectures, you must use a long specifier and cast the value to long:
TypeFormatSpecifierCast------------------------NSInteger%ld longNSUInteger%lu unsignedlongSo, for example, your code becomes:
[NSString stringWithFormat:@"Total Properties: %lu",(unsignedlong)[inArray count]];
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