Uncaught error at startup - how to debug further?

I’m getting an “uncaught” error every time HA boots up. Anyone have any idea what this might mean or how I would go about getting more information on it? Since this is a front end issue, should I be looking at my lovelace dashboards?

Logger: frontend.js.latest.202112291
Source: components/system_log/__init__.py:189
First occurred: 4:09:54 PM (1 occurrences)
Last logged: 4:09:54 PM

http://192.168.1.100:8123/config/server_control:0:0 Uncaught