how to solve "Unable to load persistent store at URL " error?

My application crashes when i want to share a post on facebook by selecting iOS simulator 5.0 i don t know how to solve this problem here is my log message

2012-12-28 14:55:19.175 SendQuote[2029:3603] Unable to load persistent store at URL 'file://localhost/Users/winsolutions/Library/Application%20Support/iPhone%20Simulator/5.0/Library/Keyboard/UserDictionary.sqlite' ({
    metadata =     {
        NSPersistenceFrameworkVersion = 419;
        NSStoreModelVersionHashes =         {
            UserDictionaryEntry = <f0c9025b 602122f9 37a4e274 bdaacec1 b9a66f83 fca5c43b bed5e80a 6baee338>;
        };
        NSStoreModelVersionHashesVersion = 3;
        NSStoreModelVersionIdentifiers =         (
            ""
        );
        NSStoreType = SQLite;
        NSStoreUUID = "5232202C-AF68-41AA-905F-5B023F1954D4";
        "_NSAutoVacuumLevel" = 2;
    };
    reason = "The model used to open the store is incompatible with the one used to create the store";
})

and at the end i get this log message

2012-12-28 14:55:33.822 SendQuote[2029:c07] -[CFXPreferencesSearchListSource tryLock]: unrecognized selector sent to instance 0x80f5960
2012-12-28 14:55:33.938 SendQuote[2029:c07] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[CFXPreferencesSearchListSource tryLock]: unrecognized selector sent to instance 0x80f5960'
*** First throw call stack:
(0x183d052 0x162cd0a 0x183eced 0x17a3f00 0x17a3ce2 0x79c1770 0x1150a39 0x1808885 0x18087a8 0x10951aa 0x7a2169 0x7aa8bd 0x7ab1f8 0x79eaa9 0x234bfa9 0x18111c5 0x1776022 0x177490a 0x1773db4 0x1773ccb 0x234a879 0x234a93e 0x79ca9b 0x2b5a 0x2a65)
terminate called throwing an exception(lldb)

Solution

Just Reset the simulator from iOS Simulator => Reset Content and Settings...

and here you reset the simulator so whole session and cache data are remove from the iPhone Simulator Directory so Re-enter and then use the app as routine..