facebook/react · error · Error

444

444

Error message

getResource encountered a type it did not expect: "${type}". this is a bug in React.

What it means

Error "getResource encountered a type it did not expect: "${type}". this is a bug in React." thrown in facebook/react.

Source

Thrown at packages/react-dom-bindings/src/client/ReactFiberConfigDOM.js:5675

          resource = {
            type: 'script',
            instance: null,
            count: 0,
            state: null,
          };
          scripts.set(key, resource);
        }
        return resource;
      }
      return {
        type: 'void',
        instance: null,
        count: 0,
        state: null,
      };
    }
    default: {
      throw new Error(
        `getResource encountered a type it did not expect: "${type}". this is a bug in React.`,
      );
    }
  }
}

function describeLinkForResourceErrorDEV(props: any) {
  if (__DEV__) {
    let describedProps = 0;

    let description = '<link';
    if (typeof props.rel === 'string') {
      describedProps++;
      description += ` rel="${props.rel}"`;
    } else if (hasOwnProperty.call(props, 'rel')) {
      describedProps++;
      description += ` rel="${
        props.rel === null ? 'null' : 'invalid type ' + typeof props.rel

View on GitHub (pinned to eafeac097b)

When it happens

Trigger: Thrown at packages/react-dom-bindings/src/client/ReactFiberConfigDOM.js:5675 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/582ffb3ec9e3f4aa. Report an issue: GitHub.