facebook/react · error · Error

446

446

Error message

"resourceRoot" was expected to exist. This is a bug in React.

What it means

Error ""resourceRoot" was expected to exist. This is a bug in React." thrown in facebook/react.

Source

Thrown at packages/react-dom-bindings/src/client/ReactFiberConfigDOM.js:5519

};

type StylesheetQualifyingProps = {
  rel: 'stylesheet',
  href: string,
  precedence: string,
  [string]: mixed,
};

// This function is called in begin work and we should always have a currentDocument set
export function getResource(
  type: string,
  currentProps: any,
  pendingProps: any,
  currentResource: null | Resource,
): null | Resource {
  const resourceRoot = getCurrentResourceRoot();
  if (!resourceRoot) {
    throw new Error(
      '"resourceRoot" was expected to exist. This is a bug in React.',
    );
  }
  switch (type) {
    case 'meta':
    case 'title': {
      return null;
    }
    case 'style': {
      if (
        typeof pendingProps.precedence === 'string' &&
        typeof pendingProps.href === 'string'
      ) {
        const key = getStyleKey(pendingProps.href);
        const styles = getResourcesFromRoot(resourceRoot).hoistableStyles;
        let resource = styles.get(key);
        if (!resource) {
          resource = {

View on GitHub (pinned to eafeac097b)

When it happens

Trigger: Thrown at packages/react-dom-bindings/src/client/ReactFiberConfigDOM.js:5519 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of facebook/react@eafeac097b (2026-08-21). Data as JSON: /api/errors/be604c69ff00416e. Report an issue: GitHub.