Error: "Commit tree already contains fiber 1. This is a bug in React DevTools."

[harisraharjo]

Describe what you were doing when the bug occurred:

1. Upgrade React & reactDom version to 17.0.0
2. Reloading specific page via profiler
3. Click a chart inside flamegraph chart
4. The page is working just fine but the profiler has stopped working

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Please do not remove the text below this line

DevTools version: 4.9.0-75726fadfd

Call stack: at updateTree (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:19503:17)
at getCommitTree (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:19436:26)
at ProfilingCache_ProfilingCache.getCommitTree (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:19957:11)
at CommitFlamegraphAutoSizer (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:34003:33)
at Hh (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:12871:7)
at qi (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:13521:7)
at nk (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:16162:86)
at mk (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:15541:11)
at lk (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:15533:23)
at dk (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:15517:5)

Component stack: at CommitFlamegraphAutoSizer (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:33986:50)
at div
at div
at div
at SettingsModalContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:28048:3)
at Profiler_Profiler (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:35614:50)
at ErrorBoundary_ErrorBoundary (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:29061:5)
at PortaledContent (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:29178:32)
at div
at div
at ProfilerContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32776:3)
at TreeContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:24164:3)
at SettingsContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:24653:3)
at ModalDialogContextController (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:29246:3)
at DevTools_DevTools (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:36049:3)

[bvaughn]

I'm sorry you experienced this bug! 🙇

Looks like this problem was already reported though (#18859) so I'm going to mark this issue as a duplicate and close it. If you have additional context that might help us repro this problem, please leave a comment on the other issue!

Thank you~

[bvaughn]

@harisraharjo This error remains the highest reported DevTools bug but we still don't have a repro case so that I can fix it. Do you remember how to repro the error you saw above? Can you share the steps with me if so? It would be very helpful! Thank you 🙇🏼