Hi Sun,
We have validated the reported query and we are able to reproduce the issue in the provided sample. We have confirmed it as a bug and logged the defect report “Console Error occurs on switching between Toolbar loaded pages rapidly” for the same. Thank you for taking the time to report this issue and helping us improve our product. We will include the defect fix in our Weekly patch release which is expected to be rolled out by end of this month (August 2020).
You can now track the current status of your request, review the proposed resolution timeline, and contact us for any further inquiries through this link.
Until then we appreciate your patience.
Regards
Alagumeena.K