Core Data: Beyond the Basics, Episode 16: Saving Launches Concurrently | Kodeco

Learn how to use asynchronous swift to save a large group of launches concurrently.


This is a companion discussion topic for the original entry at https://www.kodeco.com/32317039-core-data-beyond-the-basics/lessons/16

After following this episode I am experiencing some errors when batch inserts are executed the LaunchError.batchInsertError is thrown. I tried to run the Final folder for this episode and the same error is happening and I am not sure what is the problem in this case.

same issue for me, fix it by update transformable attributes.
For example: SpaceXLinks - patch, custom class is [String: String], update it to Data, and follow this answer: ios - How to save a dictionary to core data in Swift - Stack Overflow