Fatal error: Uncaught Error: Call to undefined function has_blocks() in /home/sincerelyhumble/public_html/wp-content/plugins/wordpress-popup/inc/providers/gutenberg/gutenberg.php:53 Stack trace: #0 /home/sincerelyhumble/public_html/wp-includes/class-wp-hook.php(298): Hustle_Gutenberg::gutenberg_init_frontend(Object(WP)) #1 /home/sincerelyhumble/public_html/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #2 /home/sincerelyhumble/public_html/wp-includes/plugin.php(515): WP_Hook->do_action(Array) #3 /home/sincerelyhumble/public_html/wp-includes/class-wp.php(748): do_action_ref_array('wp', Array) #4 /home/sincerelyhumble/public_html/wp-includes/functions.php(955): WP->main('') #5 /home/sincerelyhumble/public_html/wp-blog-header.php(16): wp() #6 /home/sincerelyhumble/public_html/index.php(17): require('/home/sincerely...') #7 {main} thrown in /home/sincerelyhumble/public_html/wp-content/plugins/wordpress-popup/inc/providers/gutenberg/gutenberg.php on line 53