ifcos-errors-schema

Installation
SKILL.md

IFC Schema Error Reference

Quick Reference

Decision Tree: Schema Error Diagnosis

Error when using IFC entity or attribute?
├── RuntimeError: entity "XYZ" not found
│   ├── Entity exists in a DIFFERENT schema version?
│   │   ├── YES → Check model.schema, use version-aware class name
│   │   │   ├── IfcBuildingElement → IFC4X3 uses IfcBuiltElement
│   │   │   ├── IfcWallStandardCase → IFC4X3 removed, use IfcWall
│   │   │   ├── IfcDoorStyle → IFC4+ uses IfcDoorType
│   │   │   └── IfcWindowStyle → IFC4+ uses IfcWindowType
│   │   └── NO → Entity does not exist in ANY schema
│   │       └── Check spelling and IFC specification
│   │
│   └── Entity is IFC4X3-only (infrastructure)?
Related skills

More from openaec-foundation/computational-design-day-delft-march-2026

Installs
1
GitHub Stars
1
First Seen
Mar 24, 2026