Fatal error: Uncaught Error: Class 'WP_Block_Supports' not found in /home/vtsnised/public_html/upis.vtsnis.edu.rs/wp-includes/block-supports/colors.php:123
Stack trace:
#0 {main}
thrown in /home/vtsnised/public_html/upis.vtsnis.edu.rs/wp-includes/block-supports/colors.php on line 123