I loaded eztimer into my pallete and configured it with my longitude/latitude and within a few minutes I had numerous problems an I couldn’t load NodeRed at all. 502 error would not load. Eventually restored a snapshot from a few day prior and working again. Beware about installing this addon.
Seeing the same issue here. Installed via Pallete Manager in Node-RED, restarted Node-RED and it totally blanked out. No longer have access to the Node-RED ui, Docker logs in Supervisor is not showing any error.
Had to fix it by opening a shell into the Node-RED container, npm uninstall node-red-contrib-eztimer, restart Node-RED addon and remove the Node.