Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/users2/a/aeris/www/gentlegeek/wp-content/plugins/google-analytics-for-wordpress/includes/admin/licensing/autoupdate.php:72
Stack trace:
#0 {main}
thrown in /home/users2/a/aeris/www/gentlegeek/wp-content/plugins/google-analytics-for-wordpress/includes/admin/licensing/autoupdate.php on line 72