Uncaught Exception in Web Inspector.

# STEPS TO REPRODUCE
1. inspect any webpage
2. reload
3. add a breakpoint to any JS file (preferably where there'd be multiple inline breakpoints)

Uncaught Exceptions:
-----------------------
 - Missing script for scriptId in given start (at Connection.js:162:29)
    _dispatchResponseToPromise @ Connection.js:162:29
    _dispatchResponse @ Connection.js:124:44
    dispatch @ Connection.js:77:35
    dispatchMessageFromTarget @ TargetManager.js:176:39
    dispatchMessageFromTarget @ TargetObserver.js:47:51
    _dispatchEvent @ Connection.js:210:26
    dispatch @ Connection.js:79:32
    dispatch @ InspectorBackend.js:233:52
    ? @ MessageDispatcher.js:42:34
-----------------------

Notes:
Inspected URL:        https://webkit.org/
Loading completed:    true
Frontend User Agent:  Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko)