Fatal error: Uncaught Error: Call to undefined function wp_is_json_request() in /home/users/el-bis2/public_html/beta.el-bis.pl/wp-content/themes/Divi/includes/builder/feature/dynamic-assets/dynamic-assets.php:159 Stack trace: #0 /home/users/el-bis2/public_html/beta.el-bis.pl/wp-content/themes/Divi/includes/builder/feature/dynamic-assets/dynamic-assets.php(223): et_is_dynamic_front_end_request() #1 /home/users/el-bis2/public_html/beta.el-bis.pl/wp-content/themes/Divi/includes/builder/feature/CriticalCSS.php(174): et_should_generate_dynamic_assets() #2 /home/users/el-bis2/public_html/beta.el-bis.pl/wp-includes/class-wp-hook.php(286): ET_Builder_Critical_CSS->enable_builder(Array) #3 /home/users/el-bis2/public_html/beta.el-bis.pl/wp-includes/plugin.php(203): WP_Hook->apply_filters(Array, Array) #4 /home/users/el-bis2/public_html/beta.el-bis.pl/wp-content/themes/Divi/includes/builder/class-et-builder-element.php(1572): apply_filters('et_builder_modu...', Array) #5 /home/users/el-bis2/public_html/beta.el-bis.pl/wp-content/them in /home/users/el-bis2/public_html/beta.el-bis.pl/wp-content/themes/Divi/includes/builder/feature/dynamic-assets/dynamic-assets.php on line 159