{"record":{"id":"fb5896b82505e207","repo":"facebook/react","slug":"the-should-not-be-any-remaining-suspense-node-chil","errorCode":null,"errorMessage":"The should not be any remaining suspense node children if there is no parent.","messagePattern":"The should not be any remaining suspense node children if there is no parent\\.","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/react-devtools-shared/src/backend/fiber/renderer.js","lineNumber":2719,"sourceCode":"      child = child.nextSibling\n    ) {\n      measureUnchangedSuspenseNodesRecursively(child);\n    }\n    suspenseNode.rects = nextRects;\n    recordSuspenseResize(suspenseNode);\n  }\n\n  function consumeSuspenseNodesOfExistingInstance(\n    instance: DevToolsInstance,\n  ): void {\n    // We need to also consume any unchanged Suspense boundaries.\n    let suspenseNode = remainingReconcilingChildrenSuspenseNodes;\n    if (suspenseNode === null) {\n      return;\n    }\n    const parentSuspenseNode = reconcilingParentSuspenseNode;\n    if (parentSuspenseNode === null) {\n      throw new Error(\n        'The should not be any remaining suspense node children if there is no parent.',\n      );\n    }\n    let foundOne = false;\n    let previousSkippedSibling = null;\n    while (suspenseNode !== null) {\n      // Check if this SuspenseNode was a child of the bailed out FiberInstance.\n      if (\n        isChildOf(instance, suspenseNode.instance, parentSuspenseNode.instance)\n      ) {\n        foundOne = true;\n        // The suspenseNode was child of the bailed out Fiber.\n        // First, remove it from the remaining children set.\n        const nextRemainingSibling = suspenseNode.nextSibling;\n        if (previousSkippedSibling === null) {\n          remainingReconcilingChildrenSuspenseNodes = nextRemainingSibling;\n        } else {\n          previousSkippedSibling.nextSibling = nextRemainingSibling;","sourceCodeStart":2701,"sourceCodeEnd":2737,"githubUrl":"https://github.com/facebook/react/blob/eafeac097ba51e1eab809c07102126bd5f8e5425/packages/react-devtools-shared/src/backend/fiber/renderer.js#L2701-L2737","documentation":"Internal invariant in the React DevTools backend's incremental tree mirroring. When a fiber bails out, consumeSuspenseNodesOfExistingInstance re-attaches leftover Suspense boundaries to the instance; finding remaining suspense child nodes while reconcilingParentSuspenseNode is null means the traversal's suspense bookkeeping is inconsistent. This is a DevTools-backend consistency error, normally caused by a bug or a renderer/DevTools version mismatch, not by app code.","triggerScenarios":"Attaching DevTools to an app whose updates bail out inside nested Suspense boundaries; rapid commits or hydration completing while the DevTools tree is being rebuilt; running a canary/experimental React with a stable DevTools backend that does not share the same tree-shape assumptions.","commonSituations":"DevTools extension or react-devtools-shared version out of sync with the React renderer version; SSR apps with deep Suspense nesting where bailouts are common; embedded DevTools backends (React Native DevTools) pinned to an older copy.","solutions":["Update the React DevTools extension / react-devtools-shared to the build matching your React release channel (stable vs canary)","Reload the page so the backend re-mounts the whole tree from scratch instead of resuming corrupted reconciliation state","Reduce to a minimal repro (component + Suspense nesting + update pattern) and report it to the facebook/react repo with the component stack","If embedding the backend, wrap the commit hook so one bad commit logs a warning instead of killing the bridge"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"// when embedding the react-devtools-shared backend\ntry {\n  backend.handleCommitFiberRoot(renderer, root);\n} catch (e) {\n  if (/remaining suspense node children if there is no parent/.test(e.message)) {\n    reportDevToolsBug(e, root); scheduleBackendReset(); // log + rebuild mirror\n  } else throw e;\n}","preventionTips":["Keep the DevTools extension/backend version matched to the React release channel (stable vs canary)","Attach DevTools before page load or reload after errors so reconciliation state is rebuilt cleanly","Verify only one DevTools backend instance is attached to the renderer","Capture minimal Suspense bailout repros early - these invariants are backend bugs, not app bugs"],"tags":["react-devtools","invariant","suspense","internal","traversal"],"backgroundTag":"suspense-boundary-invariant-violation","analyzedSha":"eafeac097ba51e1eab809c07102126bd5f8e5425","analyzedAt":"2026-08-21T22:01:08.818Z","schemaVersion":2},"datasetVersion":"2026-08-21T23:17:16.201Z"}