Fatal error: Uncaught Error: Call to undefined function et_core_is_gutenberg_active() in /var/www/vhosts/aifi.net/httpdocs/wp-content/plugins/divi-builder/includes/builder/feature/BlockEditorIntegration.php:572 Stack trace: #0 /var/www/vhosts/aifi.net/httpdocs/wp-content/plugins/divi-builder/includes/builder/framework.php(553): require() #1 /var/www/vhosts/aifi.net/httpdocs/wp-content/plugins/divi-builder/includes/builder/framework.php(693): et_builder_load_framework() #2 /var/www/vhosts/aifi.net/httpdocs/wp-content/plugins/divi-builder/divi-builder.php(156): require('/var/www/vhosts...') #3 /var/www/vhosts/aifi.net/httpdocs/wp-content/plugins/divi-builder/divi-builder.php(46): ET_Builder_Plugin->et_plugin_setup_builder() #4 /var/www/vhosts/aifi.net/httpdocs/wp-content/plugins/divi-builder/divi-builder.php(288): ET_Builder_Plugin->__construct() #5 /var/www/vhosts/aifi.net/httpdocs/wp-includes/class-wp-hook.php(286): et_divi_builder_init_plugin('') #6 /var/www/vhosts/aifi.net/httpdocs/wp-includes/class-wp-hook.php(310): WP in /var/www/vhosts/aifi.net/httpdocs/wp-content/plugins/divi-builder/includes/builder/feature/BlockEditorIntegration.php on line 572