{"record":{"id":"480147624aa61caa","repo":"FyroxEngine/Fyrox","slug":"unable-to-get-a-resource-of-type-from-uuid-uu","errorCode":null,"errorMessage":"Unable to get a resource of type {} from {uuid} UUID! Its actual data has some other data type with type UUID {type_uuid}!","messagePattern":"Unable to get a resource of type (.+?) from (.+?) UUID! Its actual data has some other data type with type UUID (.+?)!","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"critical","filePath":"fyrox-resource/src/manager.rs","lineNumber":543,"sourceCode":"    /// If the resource is not already loading, then it will be returned in\n    /// the [`ResourceState::Unloaded`] state, and [`Self::request_resource`] may\n    /// be used to begin the loading process.\n    ///\n    /// ## Panic\n    ///\n    /// This method will panic if type UUID of `T` does not match the actual type UUID of the resource. If this\n    /// is undesirable, use [`Self::try_find`] instead.\n    pub fn find_uuid<T>(&self, uuid: Uuid) -> Resource<T>\n    where\n        T: TypedResourceData,\n    {\n        let mut state = self.state();\n\n        let untyped = state.find_uuid(uuid);\n\n        if let Some(type_uuid) = untyped.type_uuid_non_blocking() {\n            if type_uuid != <T as Reflect>::type_info().type_uuid {\n                panic!(\n                    \"Unable to get a resource of type {} from {uuid} UUID! Its actual data has some other \\\n                    data type with type UUID {type_uuid}!\",\n                    <T as Reflect>::type_info().type_uuid,\n                )\n            }\n        }\n\n        Resource {\n            untyped,\n            phantom: PhantomData::<T>,\n        }\n    }\n\n    /// Requests a resource of the given type located at the given path. This method is non-blocking, instead\n    /// it immediately returns the typed resource wrapper. Loading of the resource is managed automatically in\n    /// a separate thread (or thread pool) on PC, and JS micro-task (the same thread) on WebAssembly.\n    ///\n    /// ## Type Guarantees","sourceCodeStart":525,"sourceCodeEnd":561,"githubUrl":"https://github.com/FyroxEngine/Fyrox/blob/76c91aad8eca488ce527b1af707be8b3b24ad72d/fyrox-resource/src/manager.rs#L525-L561","documentation":"ResourceManager::find_uuid<T>(uuid) looks up a resource by UUID and asserts the loaded data type matches T via type UUID. If the resource is loaded and its actual data type UUID differs from T's, the call panics rather than returning a wrongly-typed handle.","triggerScenarios":"Calling find_uuid::<T>(uuid) where the UUID identifies a resource loaded as a different type (type_uuid_non_blocking() != T's type UUID).","commonSituations":"UUIDs reused across different asset kinds (scene referencing a sound UUID as a texture); stale saved scenes after an asset was replaced by a different type; copy-pasted UUID constants.","solutions":["Use the correct type parameter for the UUID's actual resource type (check the reported type_uuid in the message).","Fix the stale UUID reference in the scene/file so it points at the intended resource of type T.","Look the resource up untyped via find_uuid without a type assertion, then inspect its type at runtime.","Re-export/replace the asset so its UUID maps to a resource of the expected type."],"exampleFix":"// before\nlet sound = rm.find_uuid::<SoundBuffer>(uuid)?; // uuid belongs to a Texture\n// after\nlet texture = rm.find_uuid::<Texture>(uuid)?;","handlingStrategy":"validation","validationCode":"let untyped = resource_manager.state().find_uuid(uuid);\nif untyped.type_uuid_non_blocking() == Some(Texture::type_uuid()) {\n    let tex: Texture = resource_manager.find_uuid(uuid).unwrap();\n}","typeGuard":null,"tryCatchPattern":"// check type via untyped handle before typed lookup\nlet untyped = resource_manager.state().find_uuid(uuid);\nmatch untyped.type_uuid_non_blocking() {\n    Some(t) if t == Texture::type_uuid() => { /* proceed */ }\n    other => eprintln!(\"wrong type: {other:?}\"),\n}","preventionTips":["Store (uuid, type) pairs in saved data, not bare UUIDs.","Re-validate scene asset references after replacing assets.","Use constants/registry for UUIDs to avoid copy-paste mixups.","Verify reported type_uuid in panic messages when fixing references."],"tags":["rust","panic","uuid","type-mismatch","resource-manager"],"backgroundTag":"type-mismatch","analyzedSha":"76c91aad8eca488ce527b1af707be8b3b24ad72d","analyzedAt":"2026-09-10T16:04:01.633Z","contentChangedAt":"2026-09-10T16:04:01.633Z","schemaVersion":2},"datasetVersion":"2026-09-16T09:17:16.951Z"}