Fatal error: Uncaught Error: Call to undefined function WPForms\Integrations\Gutenberg\wpforms_is_rest() in /data/web/virtuals/12883/virtual/www/domains/petrgebauer.cz/wp-content/plugins/wpforms-lite/src/Integrations/Gutenberg/RestApi.php:53 Stack trace: #0 /data/web/virtuals/12883/virtual/www/domains/petrgebauer.cz/wp-content/plugins/wpforms-lite/src/Lite/Integrations/Gutenberg/FormSelector.php(47): WPForms\Integrations\Gutenberg\RestApi->__construct(Object(WPForms\Lite\Integrations\Gutenberg\FormSelector), Object(WPForms\Lite\Integrations\Gutenberg\ThemesData)) #1 /data/web/virtuals/12883/virtual/www/domains/petrgebauer.cz/wp-includes/class-wp-hook.php(324): WPForms\Lite\Integrations\Gutenberg\FormSelector->init_rest(Object(WP_REST_Server)) #2 /data/web/virtuals/12883/virtual/www/domains/petrgebauer.cz/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #3 /data/web/virtuals/12883/virtual/www/domains/petrgebauer.cz/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #4 /data/web/virtuals/12883/vir in /data/web/virtuals/12883/virtual/www/domains/petrgebauer.cz/wp-content/plugins/wpforms-lite/src/Integrations/Gutenberg/RestApi.php on line 53