<!--
{
  "availability" : [
    "iOS: 17.0.0 -",
    "iPadOS: 17.0.0 -",
    "macCatalyst: 17.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "RoomPlan",
  "identifier" : "/documentation/RoomPlan/StructureBuilder/BuildError",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "RoomPlan"
    ],
    "preciseIdentifier" : "s:8RoomPlan16StructureBuilderC10BuildErrorO"
  },
  "title" : "StructureBuilder.BuildError"
}
-->

# StructureBuilder.BuildError

Errors that can occur during the multiple-scan merging process.

```
enum BuildError
```

## Overview

The structure builder ([`StructureBuilder`](/documentation/RoomPlan/StructureBuilder)) function [`capturedStructure(from:)`](/documentation/RoomPlan/StructureBuilder/capturedStructure(from:)) throws an error of this type if the multiple-scan merging process fails.

## Relationships

### Conforms To

[`LocalizedError`](/documentation/Foundation/LocalizedError)

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

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

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

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

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

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)