Fatal error: Uncaught Error: Call to undefined function add_filter() in D:\Inetpub\vhosts\puniterp.in\heetsteel.com\wp-includes\interactivity-api\interactivity-api.php:73
Stack trace:
#0 {main}
thrown in D:\Inetpub\vhosts\puniterp.in\heetsteel.com\wp-includes\interactivity-api\interactivity-api.php on line 73