Hello @dancaragea,
Thanks for reporting this. Warning messages like the one you are seeing typically indicate that some content—such as whitespace or an HTML tag—was output before a header was sent, causing an error when attempting to modify the header later in the code.
The good news is that warning messages just “warn,” so they do not impact the site’s functionality.
That said, we can dig deeper to see if there any plugin conflict causing the warning message. Can you please temporarily deactivate all your plugins (but keep WP Super Cache enabled) and check if the problem gets fixed that way? If it works, then reactivate each plugin one by one to find out which one is causing problems.
If you don’t want to do these tests on your live site, many hosts provide a staging service, where you can do testing without affecting the live site. You can ask your host about this. If they don’t give you a staging site, you could try WP Staging or Duplicator:
If you decide to try this initial troubleshooting, let us know what you find, and we can go from there 🙂
Hi there, @dancaragea,
Do you have updates about that, do you still need help? We usually close inactive threads after one week of no movement, but we want to make sure we’re all set before marking it as solved. Thanks!
