NSError-CoreDataValidation 0.0.1

You want to add pod 'NSError-CoreDataValidation', '~> 0.0' similar to the following to your Podfile:

target 'MyApp' do
  pod 'NSError-CoreDataValidation', '~> 0.0'
end

Then run a pod install inside your terminal, or from CocoaPods.app.

Alternatively to give it a test run, run the command:

pod try NSError-CoreDataValidation

See Podspec
GitHub Repo
Page on CocoaPods.org

NSError-CoreDataValidation 0.0.1

By
Daniel Clelland

NSError category that pretty-prints Core Data validation errors.

NSError *error;
[self.managedObjectContext save:&error];

if (error) {
    NSLog(@"%@", [error coreDataValidationErrorDescription]);
}

>>> Foo entity "bar" count (257) should not be greater than the maximum allowed