I have two Tabitems, In first TabItems i have One NavigationViewController. Now When i am running this application it works great but while i am using the sqllite to fetch the data and show in to the tableview cell, it will get crash.
The Crash log is here:

```
    2011-08-18 14:19:08.204 iBountyHunter[201:207] Unresolved error Error Domain=NSCocoaErrorDomain Code=134100 "The operation couldn’t be completed. (Cocoa error 134100.)" UserInfo=0x4d4e1a0 {metadata=<CFBasicHash 0x4d4d590 [0x1008400]>{type = immutable dict, count = 7,
entries =>
    2 : <CFString 0x4d4dc90 [0x1008400]>{contents = "NSStoreModelVersionIdentifiers"} = <CFArray 0x4d4dd60 [0x1008400]>{type = immutable, count = 0, values = ()}
    4 : <CFString 0x4d4dce0 [0x1008400]>{contents = "NSPersistenceFrameworkVersion"} = <CFNumber 0x4d4d7e0 [0x1008400]>{value = +248, type = kCFNumberSInt64Type}
    6 : <CFString 0x4d4dd10 [0x1008400]>{contents = "NSStoreModelVersionHashes"} = <CFBasicHash 0x4d4ddf0 [0x1008400]>{type = immutable dict, count = 1,
entries =>
    1 : <CFString 0x4d4dd80 [0x1008400]>{contents = "Fugitive"} = <CFData 0x4d4dda0 [0x1008400]>{length = 32, capacity = 32, bytes = 0xe33370b6e7ca3101f91d25951e8bfe01 ... 9e50237bb313d390}
}

    7 : <CFString 0xe248b0 [0x1008400]>{contents = "NSStoreUUID"} = <CFString 0x4d4db00 [0x1008400]>{contents = "E711F65F-3C5A-4889-872B-6541E4B2863A"}
    8 : <CFString 0xe24720 [0x1008400]>{contents = "NSStoreType"} = <CFString 0xe248f0 [0x1008400]>{contents = "SQLite"}
    9 : <CFString 0x4d4d970 [0x1008400]>{contents = "NSStoreModelVersionHashesVersion"} = <CFNumber 0x4d1e420 [0x1008400]>{value = +3, type = kCFNumberSInt32Type}
    10 : <CFString 0x4d4dd40 [0x1008400]>{contents = "_NSAutoVacuumLevel"} = <CFString 0x4d4de40 [0x1008400]>{contents = "2"}
}
, reason=The model used to open the store is incompatible with the one used to create the store}, {
    metadata =     {
        NSPersistenceFrameworkVersion = 248;
        NSStoreModelVersionHashes =         {
            Fugitive = <e33370b6 e7ca3101 f91d2595 1e8bfe01 3e7fb4de 6ef2a31d 9e50237b b313d390>;
        };
        NSStoreModelVersionHashesVersion = 3;
        NSStoreModelVersionIdentifiers =         (
        );
        NSStoreType = SQLite;
        NSStoreUUID = "E711F65F-3C5A-4889-872B-6541E4B2863A";
        "_NSAutoVacuumLevel" = 2;
    };
    reason = "The model used to open the store is incompatible with the one used to create the store";
}

```

Please help me regarding this.
I dont know where the problem is. . . 
Thanks in advance.