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### Which website or app were you using when the bug happened?

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### What were you doing on the website or app when the bug happened?

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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
) {
               If 
               chi
               pro
              shouldResetChildren = true;
            }
             How
             the 
             if 
            if (prevChild !== prevChildAtSameIndex) {
              shouldResetChildren = true;
            }
          } else {
            mountFiberRecursively(
              nextChild,
              shouldIncludeInTree ? nextFiber : parentFiber,
              false,
              traceNearestHostComponentUpdate,
            );
            shouldResetChildren = true;
          }
           Try 
          nextChild = nextChild.sibling;
           Adv
           kee
          if (!shouldResetChildren && prevChildAtSameIndex !== null) {
            prevChildAtSameIndex = prevChildAtSameIndex.sibling;
          }
        }
         If