Fatal error: Uncaught Error: Call to undefined function wp_theme_has_theme_json() in /home/heliosas/pokazalec.com/wp-includes/script-loader.php:1634 Stack trace: #0 /home/heliosas/pokazalec.com/wp-includes/class-wp-hook.php(308): wp_default_styles(Object(WP_Styles)) #1 /home/heliosas/pokazalec.com/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array) #2 /home/heliosas/pokazalec.com/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #3 /home/heliosas/pokazalec.com/wp-includes/class-wp-styles.php(135): do_action_ref_array('wp_default_styl...', Array) #4 /home/heliosas/pokazalec.com/wp-includes/functions.wp-styles.php(24): WP_Styles->__construct() #5 /home/heliosas/pokazalec.com/wp-includes/functions.wp-styles.php(132): wp_styles() #6 /home/heliosas/pokazalec.com/wp-content/plugins/elementor/core/page-assets/loader.php(104): wp_register_style('e-animations', 'https://pokazal...', Array, '3.6.5') #7 /home/heliosas/pokazalec.com/wp-content/plugins/elementor/core/page-assets/loader.php(113): Elementor\Core\P in /home/heliosas/pokazalec.com/wp-includes/script-loader.php on line 1634