Definition of plugin "urlForwarding" not found and may have failed to load

When trying to access Kibana from a reverse proxy with Cloudflare DNS, I get this error:

Version: 8.13.2
Build: 72154
Error: Definition of plugin "urlForwarding" not found and may have failed to load.
createPluginInstance/e<@https://elk.key4.com.ua/d4d06bdf0d1d/bundles/core/core.entry.js:1:374855
createPluginInstance@https://elk.key4.com.ua/d4d06bdf0d1d/bundles/core/core.entry.js:1:375099
setup@https://elk.key4.com.ua/d4d06bdf0d1d/bundles/core/core.entry.js:1:374299
setup@https://elk.key4.com.ua/d4d06bdf0d1d/bundles/core/core.entry.js:1:379923
setup@https://elk.key4.com.ua/d4d06bdf0d1d/bundles/core/core.entry.js:1:386024

I am, however, able to access it through a local IP without issues. Would appreciate any help with troubleshooting.

Any updates?

Got same issue after upgrade from 8.7 to 8,13 (native install). Not sure about the reason, but seems browser related. On my mac Edge doen's work but chrome does, on my windows it is opposite. Also tried to clear browser cache remain the same. Eventually, I changed my subdomain and settings in the kiba.yml publicBaseUrl. It finally worked.