Tagged: x Author Posts July 7, 2016 at 5:52 pm #1077066 aiad_developmentParticipant I get this warning Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘do_my_stuff_with_header’ not found or invalid function name in /home/c1lebrantsuecom/public_html/wp-includes/plugin.php on line 525 July 7, 2016 at 5:53 pm #1077068 aiad_developmentParticipant This reply has been marked as private. July 8, 2016 at 1:00 am #1077555 FriechModerator Hi There, Thanks for writing in! Your Cornerstone is a few update behind. Please update your Cornerstone as you already using the latest version of X. Let us know how it goes. Cheers! July 8, 2016 at 1:02 am #1077559 Paul RModerator Hi, Please update cornerstone to latest version. The latest version number as of this time are X Theme 4.6.0 Cornerstone 1.3.0 https://community.theme.co/kb/version-compatibility/ If you find anything to be out of date, you can review our update guide. Thanks Author Posts <script> jQuery(function($){ $("#no-reply-1077066 .bbp-template-notice, .bbp-no-topic .bbp-template-notice").removeClass('bbp-template-notice'); }); </script> Log In Username: Password: Keep me signed in Log In