Fatal error: Uncaught Error: Call to undefined function add_filter() in /usr/www/east110006/heizemod.us/heizemod/wp-includes/interactivity-api/interactivity-api.php:73
Stack trace:
#0 {main}
thrown in /usr/www/east110006/heizemod.us/heizemod/wp-includes/interactivity-api/interactivity-api.php on line 73