ErrLookup › facebook/react
facebook/react
The library for web and native user interfaces. · JavaScript · 1,760 source files
Analyzed at eafeac097b on 2026-08-21. 319 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Cannot not suspend ID | console | warning | react-devtools, suspense, activity, server-components, dev-only |
| Unsupported type " " specified for ButtonIcon | console | warning | react-devtools, button-icon, invalid-prop-value, ui |
| Invalid component filter type | console | warning | react-devtools, component-filters, localstorage, enum-validation, version-mismatch |
| Cannot cancel root view transition on a comment node. All… | console | warning | react-dom, view-transitions, container-node, dev-only |
| Hooks are not supported inside an async component. This… | exception | error | hooks, async-components, use-client, suspense, server-components |
| startGestureTransition() required cloning a < | console | warning | react-dom, view-transitions, gesture-transitions, media-elements, dev-only |
| Cannot reset while already flushing work. | exception | error | scheduler, testing, mock, reentrancy |
| A flushSync update cancelled a View Transition because it… | console | warning | react-19, view-transitions, flushsync, concurrency |
| Unexpected dehydrated hook; this is a DevTools error. | console | warning | react-devtools, hooks, inspection, devtools |
| File/Blob fields are not yet supported in progressive… | exception | warning | server-actions, form-data, file-upload, progressive-enhancement, ssr |
| Expected to find root ID. | exception | error | react-devtools, legacy-react, react-15, late-attach, root-tracking |
| Type is not supported as an argument to a Server Function. | exception | error | server-functions, serialization, unsupported-type, rsc, flight |
| Detected a large number of updates inside startTransition… | console | warning | start-transition, use-action-state, use-transition, subscriptions, concurrent-mode, performance, dev-only |
363 Test selector API is not supported by this renderer. | exception | error | test-selectors, renderer-support, custom-renderer, react-native |
| Could not find DevToolsInstance with id | console | warning | react-devtools, devtools-backend, stale-id, race-condition, unmounted-component |
| React has blocked a javascript: URL as a security… | exception | error | security, xss, url-sanitization, javascript-url, ssr |
522 Invalid form element. requestFormReset must be passed a form that was rendered… | exception | error | react-dom, forms, requestformreset, module-initialization, duplicate-react |
| More than one external source map detected in the source… | console | warning | react-devtools, source-maps, hook-names, bundler, dev-only |
| Could not find instance with id | console | warning | react-devtools, legacy-renderer, element-selection, dev-only |
| Expected a root instance to exist for this Fiber root | exception | error | react-devtools, fiber-root, multi-root, race-condition, inspect-element |
526 Could not reference an opaque temporary reference. This is likely due to… | exception | error | server-components, server-actions, temporary-references, serialization, form-data |
| Could not find helpers for a root. This is a bug in React… | exception | error | react-refresh, fast-refresh, duplicate-packages, version-mismatch, react-internals |
| Could not find the module | exception | error | rsc, react-server-components, turbopack, bundler, client-manifest, serialization |
| Only one connection allowed at a time. Closing the previous… | console | warning | react-devtools, websocket, standalone, connection |
| Unsupported instance kind | exception | error | react-devtools, devtools-shared, component-filters, inspect-element, exhaustive-switch |
| You did not run Node.js with the `--conditions… | console | warning | react-server, server-components, node-loader, esm, module-resolution, conditions-flag |
| Unable to acquire scope for the current node. This is a bug… | exception | error | eslint, react-hooks, exhaustive-deps, static-analysis, scope-manager |
349 Expected a work-in-progress root. This is a bug in React. Please file an issue. | exception | error | react, hooks, invariant, gesture-transition, use-optimistic, internal-bug |
| Your app (or one of its dependencies) is using an outdated… | console | warning | jsx-transform, babel, createelement, build-config, migration, dev-only |
| Expected getSource to have been called before… | exception | error | react-server-components, node-esm, module-loader, node, rsc |
| Only plain objects, and a few built-ins, can be passed to… | exception | error | server-functions, serialization, plain-objects, rsc, prototype |
| The module " " is marked as an async ESM module but was… | exception | error | react-server-components, esm, cjs, webpack, manifest |
| The source map has more mappings than there are lines. | exception | error | source-maps, react-server-components, node-loader, build-tooling |
| Could not find element at index | console | warning | react-devtools, components-tree, race-condition, virtualization, dev-only |
| An unknown Component is an async Client Component. Only… | exception | error | react, suspense, use, async-component, rsc, server-components, nextjs |
373 This Hook is not supported in Server Components. | exception | error | server-components, hooks, use-client, rsc |
527 Incompatible React versions: The "react" and "react-dom" packages must have the… | exception | critical | react-dom, react, version-mismatch, npm, installation |
| Already flushing work. | exception | error | scheduler, testing, mock, reentrancy |
| Unsupported type " " specified for Icon | console | warning | react-devtools, icon, invalid-prop-value, ui |
| Unsupported node type | exception | error | eslint, react-hooks, optional-chaining, static-analysis, dependency-array |
| copyWithRename() expects paths of the same length | console | warning | devtools, path-validation, internal-api, state-editing, immutability |
| If you supply `defaultValue` on a | exception | error | ssr, textarea, children, defaultvalue |
| Could not suspend ID | console | warning | react-devtools, suspense, time-travel, stale-id, console-warning |
| Invalid renderer id | console | warning | react-devtools, renderer, bridge, devtools |
538 Cannot use state or effect Hooks in renderToHTML because this component will… | exception | error | static-rendering, render-to-static-markup, hooks, ssr |
| Expected to see a frame at the next depth. | exception | error | react-devtools, selection-restore, tracked-path, hot-reload, internal-invariant |
| Attempted to load a Client Module outside the hosted root. | exception | error | react-server-components, base-url, client-references, bundler |
| componentWillMount has been renamed, and is not recommended… | console | warning | legacy-lifecycles, component-will-mount, class-components, strict-mode, deprecation |
| componentWillMount has been renamed, and is not recommended… | console | warning | legacy-lifecycles, component-will-mount, ssr, class-components, deprecation, dev-only |
365 Invalid selector type specified. | exception | error | test-selectors, selector, symbol-mismatch, duplicate-packages |
598 Maximum update depth exceeded. This could be an infinite loop. This can happen… | exception | error | infinite-loop, render-phase-update, use-layout-effect, set-state, nested-updates |
| Client Functions cannot be passed directly to Server… | exception | error | server-functions, serialization, use-server, rsc, callbacks |
| The should not be any remaining suspense node children if… | exception | error | react-devtools, invariant, suspense, internal, traversal |
270 The current renderer does not support persistence. This error is likely caused… | exception | error | persistence, custom-renderer, renderer-capability, commit-phase |
| Cannot await or return from a thenable. You cannot await a… | exception | error | react-server-components, use-client, client-reference, await, dynamic-import |
| ReactART does not support the type | exception | error | react-art, renderer, unknown-element-type, host-config |
| Cannot setState on regular state inside a… | exception | error | gesture-transition, use-optimistic, set-state, transitions, experimental |
| An unsupported type was passed to use() | exception | error | react, hooks, use, devtools, type-error, inspection |
| Unable to obtain serialized value for element | console | warning | react-devtools, clipboard, serialization, devtools |
414 Did not expect this call in production. This is a bug in React. Please file an… | exception | error | build-config, dev-only, fiber, invariant, node-env |
426 A component suspended while responding to synchronous input. This will cause… | exception | error | react-dom, ssr, suspense, rendertostring, legacy-api |
| Profiling data cannot be updated while profiling is in… | console | warning | react-devtools, profiler, import-export, state-conflict, dev-only |
| Invalid renderer id " " for element | console | warning | react-devtools, highlighter, hover, suspense, renderer-registration, dev-only |
| Log is not empty. Assert on the log of yielded values… | exception | error | scheduler, testing, mock, assertions |
| Unable to find node on an unmounted component. | exception | error | unmounted, finddomnode, refs, fiber, stale-reference |
492 The "react" package in this environment is not configured correctly. The… | exception | critical | bundler, export-conditions, react-server, configuration, module-resolution |
509 ReactDOM: Unsupported Legacy Mode API. | exception | error | react-dom, react-19, legacy-api, render, migration |
| Attempted to load a Server Reference outside the hosted… | exception | error | react-server-components, server-actions, base-url, rsc-client |
| is a self-closing tag and must neither have `children` nor… | exception | error | ssr, void-element, children, dangerouslysetinnerhtml, br, source |
345 Root did not complete. This is a bug in React. | exception | error | internal-invariant, render, commit, concurrent |
| Missing a temporary reference set but the RSC response… | exception | error | rsc, flight, temporary-references, serialization, server-functions |
320 Expected ReactFiberErrorDialog.showErrorDialog to be a function. | exception | critical | react-native, version-mismatch, module-init, fabric, peer-dependencies |
| Failed to read a RSC payload created by a development… | exception | critical | rsc, flight, version-mismatch, environment, build-mode |
600 A rejected Promise was passed to React without a `reason` property. React threw… | exception | error | promise, thenable, instrumentation, suspense, server-components |
| Cannot access on the server. You cannot dot into a client… | exception | error | react-server-components, use-client, client-reference, proxy, property-access |
| createFastHash is not supported in this environment. | exception | error | react-flight, server-components, useactionstate, forms, meta-internal |
| react-dom/profiling is not supported in React Server… | exception | error | react-server-components, react-dom, profiling, import-time-error, module-resolution |
| getProfilingData not supported by this renderer | exception | error | react-devtools, profiler, flight, server-components, unsupported-operation |
| This module must be shimmed by a specific renderer. | exception | error | build, bundler, react-internals, module-resolution, configuration |
| Attempted to call the default export of | exception | error | rsc, react-server-components, client-boundary, interop, esmodule, default-export, unbundled |
| Expected the root instance to exist when computing a path | exception | error | react-devtools, fiber-root, selection-restore, internal-invariant |
| Invalid index specified; store contains items. | console | warning | react-devtools, store, virtualization, stale-index, dev-only |
327 Should not already be working. | exception | error | internal-invariant, flush-sync, reentrancy, version-mismatch |
314 Pinged unknown suspense boundary type. This is probably a bug in React. | exception | error | internal-invariant, suspense, retry, ping |
544 Found a pair with an auto name. This is a bug in React. | exception | error | view-transitions, experimental, commit-phase, invariant |
378 Type is not supported in Client Component props. | exception | error | serialization, props, type-support, server-components |
442 The current renderer does not support Resources. This error is likely caused by… | exception | error | resources, float, custom-renderer, stylesheets, react-native |
| onError returned something with a type other than "string"… | exception | error | onerror, callback-contract, configuration, server-components |
488 Couldn't find all resumable slots by key/index during replaying. The tree… | exception | warning | ssr, resume, prerender, tree-mismatch, suspense |
514 Cannot access on the server. You cannot dot into a temporary client reference… | exception | error | temporary-references, proxy, server-components, props |
| The React Server cannot be used outside a react-server… | exception | error | react-server-components, node, export-conditions, environment |
| A React form was unexpectedly submitted. If you called… | exception | error | react-dom, forms, server-actions, submit |
| Invalid reference. | exception | error | rsc, flight, serialization, streaming, version-mismatch |
| Expected overrideSuspense() to not get called for earlier… | exception | error | react-devtools, suspense, version-mismatch, legacy-react, bridge-protocol |
| Invalid server action | exception | error | react-server-components, server-actions, parcel, manifest |
177 Cannot commit the same tree as before. This error is likely caused by a bug in… | exception | error | internal-invariant, commit, double-commit |
498 Only plain objects, and a few built-ins, can be passed to Client Components… | exception | error | serialization, props, plain-objects, server-components |
| The ` ` tag may only be rendered once. | exception | error | ssr, head, preamble, document-structure |
| handleCommitFiberRoot not supported by this renderer | exception | error | devtools, fiber, commit, legacy-renderer, react-15 |
| Expected the root instance to already exist when starting… | exception | error | react-devtools, profiler, fiber-root, race-condition |