gistify455296.m

(lldb) po [[[error userInfo] objectForKey:@"NSDetailedErrors"] objectAtIndex:0]
Error Domain=NSCocoaErrorDomain Code=1570 "The operation couldn’t be completed. (Cocoa error 1570.)" UserInfo=0x1201e290 {NSValidationErrorObject=<FOFSList: 0xf2357f0> (entity: FOFSList; id: 0x120939b0 <x-coredata://6D8CBDDD-DFD9-4463-9305-52EA03846EEE/FOFSList/p5> ; data: {
    canonicalUrl = nil;
    collaborative = nil;
    collaborators =     (
    );
    desc = nil;
    editable = nil;
    followers =     (
    );
    following = nil;
    listID = nil;
    listItems =     (
    );
    name = nil;
    photo = nil;
    user = nil;
    venueCount = 0;
    visitedCount = 0;
}), NSValidationErrorKey=canonicalUrl, NSLocalizedDescription=The operation couldn’t be completed. (Cocoa error 1570.)}
(lldb)