Ended a touch event which was not counted in `trackedTouchCo

Error message

Ended a touch event which was not counted in `trackedTouchCount`.

What it means

Error "Ended a touch event which was not counted in `trackedTouchCount`." thrown in facebook/react.

Source

Thrown at packages/react-native-renderer/src/legacy-events/ResponderEventPlugin.js:711

   * We must be resilient to `targetInst` being `null` on `touchMove` or
   * `touchEnd`. On certain platforms, this means that a native scroll has
   * assumed control and the original touch targets are destroyed.
   */
  extractEvents: function (
    topLevelType,
    targetInst,
    nativeEvent,
    nativeEventTarget,
    eventSystemFlags,
  ) {
    if (isStartish(topLevelType)) {
      trackedTouchCount += 1;
    } else if (isEndish(topLevelType)) {
      if (trackedTouchCount >= 0) {
        trackedTouchCount -= 1;
      } else {
        if (__DEV__) {
          console.warn(
            'Ended a touch event which was not counted in `trackedTouchCount`.',
          );
        }
        return null;
      }
    }

    ResponderTouchHistoryStore.recordTouchTrack(topLevelType, nativeEvent);

    let extracted = canTriggerTransfer(topLevelType, targetInst, nativeEvent)
      ? setResponderAndExtractTransfer(
          topLevelType,
          targetInst,
          nativeEvent,
          nativeEventTarget,
        )
      : null;
    // Responder may or may not have transferred on a new touch start/move.

View on GitHub (pinned to eafeac097b)

When it happens

Trigger: Thrown at packages/react-native-renderer/src/legacy-events/ResponderEventPlugin.js:711 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/94df352a08e21a9c. Report an issue: GitHub.