SwiftData error when trying to save array in Model

UI Frameworks SwiftUI
deepstereo OP
Created Aug ’24
Replies 4
Boosts 1
Views 494
Participants 4

In my SwiftData @Model I have an attribute attachments: [String]? and I'm getting an error when trying to save it:

CoreData: fault: Could not materialize Objective-C class named "Array" from declared attribute value type "Array<String>" of attribute named attachments.

Getting this error periodically on iOS 18 Beta 7 on iPhone, but the same code works on iPadOS 18 b7 and on macOS Sonoma (14.6.1)

Anyone seen this?

Replies  4
Boosts  1
Views  494
Participants  4
Claude31 OP
Aug ’24

Could you show more code ?

0
SpaceMan OP
Aug ’24

I'm easter egging here. Could it be something like the objective c array is a reference type and the [String] is a value type?

0
deepstereo OP
Sep ’24

Sorry, was away for a week and now it seems to be working correctly in Beta 8.

0
deni2s79 OP
Oct ’24

Still having issue in release :(

0
SwiftData error when trying to save array in Model
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