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error: property 'airportIATA' not found on object of type 'Flight *' [3]
...
@interface Flight : NSManagedObject
@property (nonatomic, retain) NSString * airportIATA;
...
But this property exists.
Is it any way to reset Xcode4?
Upd. It seems that Xcode began to use old .xcdatamodel, it shows also warnings like
Incompatible pointer types passing 'NSString *' to parameter of type 'Airport *'
But I changed property from Airport class to NSString two days ago.
OK, problem appeared because I had some old .h and .m files in a project folder,
and new .h and .m with same names in a project subfolder.
For some reason Xcode compiler “forgot” that files I use in editor located at subfolder and started to use old ones.
I just replace old one with a new files.