Error: "Cannot read property 'concat' of undefined"

[jedzej]

Describe what you were doing when the bug occurred:

1. I opened react profiler
2. I clicked "start profiling"
3. I performed some actions in my react application
4. I clicked "stop profiling"
5. Stacktrace appeared in devtools window instead of profiler charts.

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Please do not remove the text below this line

DevTools version: 4.8.1-d4eadea6c

Call stack: at N (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:166989)
at T (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:165979)
at e.getCommitTree (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:168938)
at Wl (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:346620)
at oi (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:60964)
at Ui (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:70944)
at Bl (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:117704)
at Tc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:103070)
at Oc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:102998)
at Dc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:102861)

Component stack: at Wl (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:346391)
at div
at div
at div
at Eo (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:266560)
at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:370969
at n (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:279481)
at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:282269
at div
at div
at Ji (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:329374)
at Ge (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:209300)
at sn (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:218616)
at Wa (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:297360)
at ps (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:376211)

[bvaughn]

I'm sorry you experienced this bug! 🙇

Looks like this problem was already reported though (#18256) 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~