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# SwiftDataError

A type that describes a SwiftData error.

```
struct SwiftDataError
```

## Topics

### Fetch errors

[`static let includePendingChangesWithBatchSize: SwiftDataError`](/documentation/SwiftData/SwiftDataError/includePendingChangesWithBatchSize)

[`static let sortingPendingChangesWithIdentifiers: SwiftDataError`](/documentation/SwiftData/SwiftDataError/sortingPendingChangesWithIdentifiers)

[`static let unsupportedKeyPath: SwiftDataError`](/documentation/SwiftData/SwiftDataError/unsupportedKeyPath)

[`static let unsupportedPredicate: SwiftDataError`](/documentation/SwiftData/SwiftDataError/unsupportedPredicate)

[`static let unsupportedSortDescriptor: SwiftDataError`](/documentation/SwiftData/SwiftDataError/unsupportedSortDescriptor)

[`static let historyTokenExpired: SwiftDataError`](/documentation/SwiftData/SwiftDataError/historyTokenExpired)

[`static let invalidTransactionFetchRequest: SwiftDataError`](/documentation/SwiftData/SwiftDataError/invalidTransactionFetchRequest)

### Configuration errors

[`static let configurationFileNameContainsInvalidCharacters: SwiftDataError`](/documentation/SwiftData/SwiftDataError/configurationFileNameContainsInvalidCharacters)

[`static let configurationFileNameTooLong: SwiftDataError`](/documentation/SwiftData/SwiftDataError/configurationFileNameTooLong)

[`static let configurationSchemaNotFoundInContainerSchema: SwiftDataError`](/documentation/SwiftData/SwiftDataError/configurationSchemaNotFoundInContainerSchema)

[`static let duplicateConfiguration: SwiftDataError`](/documentation/SwiftData/SwiftDataError/duplicateConfiguration)

### Container errors

[`static let loadIssueModelContainer: SwiftDataError`](/documentation/SwiftData/SwiftDataError/loadIssueModelContainer)

### Context errors

[`static let modelValidationFailure: SwiftDataError`](/documentation/SwiftData/SwiftDataError/modelValidationFailure)

[`static let missingModelContext: SwiftDataError`](/documentation/SwiftData/SwiftDataError/missingModelContext)

### Migration errors

[`static let backwardMigration: SwiftDataError`](/documentation/SwiftData/SwiftDataError/backwardMigration)

[`static let unknownSchema: SwiftDataError`](/documentation/SwiftData/SwiftDataError/unknownSchema)

### Schema errors

[`static let unknownDataStoreSchema: SwiftDataError`](/documentation/SwiftData/SwiftDataError/unknownDataStoreSchema)

An error that indicates the data store’s schema is not recognized.

### Operators

[`static func ~= (SwiftDataError, any Error) -> Bool`](/documentation/SwiftData/SwiftDataError/~=(_:_:))

## Relationships

### Conforms To

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

[`Error`](/documentation/Swift/Error)

---

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