{"record":{"id":"1d89db944a97d99d","repo":"facebook/react","slug":"150","errorCode":"150","errorMessage":"An object is not an iterable. This error is likely caused by a bug in React. Please file an issue.","messagePattern":"An object is not an iterable\\. This error is likely caused by a bug in React\\. Please file an issue\\.","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/react-reconciler/src/ReactChildFiber.js","lineNumber":1383,"sourceCode":"      const numberOfForks = newIdx;\n      pushTreeFork(returnFiber, numberOfForks);\n    }\n    return resultingFirstChild;\n  }\n\n  function reconcileChildrenIteratable(\n    returnFiber: Fiber,\n    currentFirstChild: Fiber | null,\n    newChildrenIterable: Iterable<mixed>,\n    lanes: Lanes,\n  ): Fiber | null {\n    // This is the same implementation as reconcileChildrenArray(),\n    // but using the iterator instead.\n\n    const iteratorFn = getIteratorFn(newChildrenIterable);\n\n    if (typeof iteratorFn !== 'function') {\n      throw new Error(\n        'An object is not an iterable. This error is likely caused by a bug in ' +\n          'React. Please file an issue.',\n      );\n    }\n\n    const newChildren = iteratorFn.call(newChildrenIterable);\n\n    if (__DEV__) {\n      if (newChildren === newChildrenIterable) {\n        // We don't support rendering Generators as props because it's a mutation.\n        // See https://github.com/facebook/react/issues/12995\n        // We do support generators if they were created by a GeneratorFunction component\n        // as its direct child since we can recreate those by rerendering the component\n        // as needed.\n        const isGeneratorComponent =\n          returnFiber.tag === FunctionComponent &&\n          // $FlowFixMe[method-unbinding]\n          Object.prototype.toString.call(returnFiber.type) ===","sourceCodeStart":1365,"sourceCodeEnd":1401,"githubUrl":"https://github.com/facebook/react/blob/eafeac097ba51e1eab809c07102126bd5f8e5425/packages/react-reconciler/src/ReactChildFiber.js#L1365-L1401","documentation":"Error \"An object is not an iterable. This error is likely caused by a bug in React. Please file an issue.\" thrown in facebook/react.","triggerScenarios":"Thrown at packages/react-reconciler/src/ReactChildFiber.js:1383 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"eafeac097ba51e1eab809c07102126bd5f8e5425","analyzedAt":"2026-08-21T22:01:08.818Z","schemaVersion":2},"datasetVersion":"2026-08-21T23:17:16.201Z"}