Warning: Cannot modify header information issues

  • My last post on my website was about 3 weeks ago… just got around to trying to post again this past week and started getting this error:
    Warning: Cannot modify header information – headers already sent by (output started at /home2/livingi4/public_html/wp-content/themes/madhat/framework/customizer/_sanitization.php:1) in /home2/livingi4/public_html/wp-includes/pluggable.php on line 1210

    It seems to be specifically tied to the MadHat theme as I’ve changed themes and no longer get the error, but I’m having a hard time finding another theme I like as well and would prefer to go back. I get the error when I try to preview a post, add pictures, or edit pretty much anything.

    Thanks!

    The page I need help with: [log in to see the link]

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