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### Generated information

DevTools version: 4.13.1-93782cfed2

Call stack:
(none)

Component stack:
(none)

GitHub URL search query:
https://api.github.com/search/issues?q=Cannot%20add%20node%20%20because%20a%20node%20with%20that%20id%20is%20already%20in%20the%20Store.%20in%3Atitle%20is%3Aissue%20is%3Aopen%20is%3Apublic%20label%3A%22Component%3A%20Developer%20Tools%22%20repo%3Afacebook%2Freact
fiber: Fiber,
    type: 'error' | 'warn',
    args: $ReadOnlyArray<any>,
  ): void {
    const message = format(...args);
    
    
    
    
    
    
     
    const fiberID = getOrGenerateFiberID(fiber);
    if (__DEBUG__) {
      debug('onErrorOrWarning', fiber, null, `${type}: "${message}"`);
    }
     
    fibersWithChangedErrorOrWarningCounts.add(fiberID);
     
    const fiberMap = type === 'error' ? fiberToErrorsMap : fiberToWarningsMap;
    const messageMap = fiberMap.get(fiberID);
    if (messageMap != null) {
      const count = messageMap.get(message) || 0;
      messageMap.set(message, count + 1);
    } else {
      fiberMap.set(fiberID, new Map([[message, 1]]));
    }
     
    updateMostRecentlyInspectedElementIfNecessary(fiberID);