I am also experiencing the same issue.
It works fine on the actual iPhone after updating to iOS 18, but when deleting in the Mac Catalyst app and calling try ctx.save(), the app crashes with the error 'SwiftData/BackingData.swift:251: Fatal error: Context is missing for Optional.'
Thank you for your hard work! 👍
@DTS Engineer
dalgudot
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It still happens in iOS17, Xcode15 full version.