The cache issue you had, related to the admin panel settings, we recommended you to clear the cache in the cloudlflare, try to disable to the plugin and see if the error persists.
You said that solved the problem
Have you tried to deactivate/reactivate plugin?
You have huge amount of third-party plugins, disable them all, as well as third-party javascript code switch to the default theme, enable debug, and try again.
Kenneth, you never contacted us on the message To issue.
The cache issue you had, related to the admin panel settings, we recommended you to clear the cache in the cloudlflare, try to disable to the plugin and see if the error persists.
You said that solved the problem
Have you tried to deactivate/reactivate plugin?
You have huge amount of third-party plugins, disable them all, as well as third-party javascript code switch to the default theme, enable debug, and try again.