I've put a website that I was doing live and I'm getting this warning message when I try to add a new user when I'm not logged in. It should redirect me back to the login page but I get this message.
Warning: Cannot modify header information - headers already sent by (output started at /home/sites/sampleestateagent.eu/public_html/includes/session.php:18) in /home/sites/sampleestateagent.eu/public_html/includes/functions.php on line 21
I'm not sure why this is happening as it works fine on localhost.
Thanks for the help and if you need any code posting, let me know
Thanks,
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