blender-errors-data

Use when debugging Blender ReferenceError from removed objects, undo-invalidated bpy.data references, or stale ID pointers. Prevents the common crash of caching bpy.data references across undo/redo operations (references become invalid). Covers safe data access patterns, ID reference caching pitfalls, data lifecycle management, and bpy.data collections. Keywords: ReferenceError, undo, stale reference, bpy.data, ID pointer, data invalidation, removed object, data lifecycle, StructRNA, Blender crash, object disappeared after undo, StructRNA has been removed.

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