Duplicate files in DerivedData folder using CoreData generator

Question

I\'m trying to generate NSManagedModels from my datamodel. Generation works but after I got many errors :

error: filename \"Station+CoreDataProperties

Answer 1

This post greatly helped me solve this problem myself. Personally I look at this as an Xcode bug. Bug or not this is a huge chicken and egg situation.

I ran into this by:

1. Created a new Project using Core Data
2. Generated my NSManagedObject subclass+extension (while codegen: ClassDefinition)
3. I accidentally saved the generated classes in the Wrong folder
4. I deleted the generated files
5. Re-generated in folder I wanted