{"record":{"id":"41015db2f55f0850","repo":"BabylonJS/Babylon.js","slug":"no-scene-available-to-load-animations-to","errorCode":null,"errorMessage":"No scene available to load animations to","messagePattern":"No scene available to load animations to","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/dev/core/src/Loading/sceneLoader.ts","lineNumber":1227,"sourceCode":"export async function loadAssetContainerAsync(source: SceneSource, scene: Scene, options?: LoadAssetContainerOptions): Promise<AssetContainer> {\r\n    return await LoadAssetContainerAsync(source, scene, options);\r\n}\r\n\r\n// This is the core implementation of import animations\r\nasync function importAnimationsCoreAsync(\r\n    rootUrl: string,\r\n    sceneFilename: SceneSource = \"\",\r\n    scene: Nullable<Scene> = EngineStore.LastCreatedScene,\r\n    overwriteAnimations = true,\r\n    animationGroupLoadingMode = SceneLoaderAnimationGroupLoadingMode.Clean,\r\n    targetConverter: Nullable<(target: any) => any> = null,\r\n    onProgress?: Nullable<(event: ISceneLoaderProgressEvent) => void>,\r\n    pluginExtension?: Nullable<string>,\r\n    name = \"\",\r\n    pluginOptions: PluginOptions = {}\r\n): Promise<void> {\r\n    if (!scene) {\r\n        throw new Error(\"No scene available to load animations to\");\r\n    }\r\n\r\n    if (overwriteAnimations) {\r\n        // Reset, stop and dispose all animations before loading new ones\r\n        for (const animatable of scene.animatables) {\r\n            animatable.reset();\r\n        }\r\n        scene.stopAllAnimations();\r\n        const animationGroups = scene.animationGroups.slice();\r\n        for (const animationGroup of animationGroups) {\r\n            animationGroup.dispose();\r\n        }\r\n        const nodes = scene.getNodes();\r\n        for (const node of nodes) {\r\n            if (node.animations) {\r\n                node.animations = [];\r\n            }\r\n        }\r","sourceCodeStart":1209,"sourceCodeEnd":1245,"githubUrl":"https://github.com/BabylonJS/Babylon.js/blob/0592b347b8a4ee0236089ea86a749cacfdb266d8/packages/dev/core/src/Loading/sceneLoader.ts#L1209-L1245","documentation":"loadAnimationGroupAsync (and related animation loading entry points) requires a target Scene to receive the loaded animation groups. Passing null/undefined scene throws before any network/file access.","triggerScenarios":"Calling SceneLoader.LoadAnimationGroupAsync(url, onProgress, pluginExtension, name, undefined /* scene */) — omitting the scene argument so it resolves to undefined.","commonSituations":"Calling the animation loader before scene creation; forgetting the scene parameter due to differing argument orders between overloads; async init race where the scene variable isn't assigned yet.","solutions":["Create the engine/scene before calling and pass the scene instance","Check argument order for the overload you use and supply scene in the right position","Await engine/scene initialization before starting animation loads"],"exampleFix":"// before\nawait SceneLoader.LoadAnimationGroupAsync(url, undefined, undefined, 'clips'); // scene missing\n// after\nconst scene = new Scene(engine);\nawait SceneLoader.LoadAnimationGroupAsync(url, undefined, undefined, 'clips', scene);","handlingStrategy":"validation","validationCode":"if (!scene) throw new Error('Scene required for animation loading');\nawait SceneLoader.LoadAnimationGroupAsync(url, undefined, undefined, name, scene);","typeGuard":"const hasScene = (s: unknown): s is Scene => s instanceof Scene;","tryCatchPattern":"try {\n  await SceneLoader.LoadAnimationGroupAsync(url, undefined, undefined, name, scene);\n} catch (e) {\n  if (e instanceof Error && e.message.includes('No scene available to load animations')) {\n    console.error('Scene not initialized before animation load');\n  } else throw e;\n}","preventionTips":["Double-check parameter order of the specific loader overload used","Gate loading code behind an initialized-flag set after scene creation","Never pass possibly-undefined scene values to loaders"],"tags":["loader","babylonjs","null-scene","animations"],"backgroundTag":"null-or-undefined-scene","analyzedSha":"0592b347b8a4ee0236089ea86a749cacfdb266d8","analyzedAt":"2026-08-30T15:11:20.442Z","schemaVersion":2},"datasetVersion":"2026-08-30T18:17:15.746Z"}