Issue 1:
Describe what you were doing when the bug occurred:

Add interaction tracing with unstable_trace

Record a profile, navigate to Profiler > Profiled Interactions

Error appears when scrolling view or immediately

Please do not remove the text below this line

DevTools version: 4.6.0-6cceaeb67

Call stack: at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:344360

at Array.map ()

at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:344166

at ci (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:59620)

at Ll (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:109960)

at qc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:102381)

at Hc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:102306)

at Vc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:102171)

at Tc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:98781)

at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:46014

Component stack: in Unknown

in Unknown

in div

in div

in n

in div

in bc

in div

in n

in div

in vc

in div

in div

in div

in So

in Unknown

in n

in Unknown

in div

in div

in rl

in Ze

in fn

in Ga

in _s

Issue 2:
Describe what you were doing when the bug occurred:

Profiled the new FB. Scrolled down to tail loads.

Please do not remove the text below this line

DevTools version: 4.6.0-a2fb84beb

Call stack: at chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:345591

at Array.map ()

at chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:345397

at Ai (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:32:62580)

at zl (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:32:112694)

at jc (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:32:104789)

at Oc (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:32:104717)

at Tc (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:32:104585)

at gc (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:32:101042)

at chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:32:47376

Component stack: at chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:344679

at div

at div

at n (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:194307)

at div

at Cc (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:346311)

at div

at n (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:3:8163)

at div

at bc

at div

at div

at div

at Do (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:262081)

at chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:364048

at n (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:274563)

at chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:277138

at div

at div

at ol (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:323458)

at Ze (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:205764)

at pn (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:215038)

at $a (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:292153)

at ws (chrome-extension://dnjnjgbfilfphmojnmhliehogmojhclc/build/main.js:40:369231)