Reply To: Can not save changes in Performance

Thanks for quick reply

Thank you for your help.

I had the plugins before, too.
if I turn off the caching plugin, not much changes.

cmb2 redux-framework
wordpress-seo-premium
wp-speed-of-light
contact-form-7
regenerate-thumbnails wp-instagram-widget
wp-speed-of-light-addon
facebook-for-woocommerce
remove-yoast-seo-comments
wpseo-local
yith-woocommerce-wishlist
revslider
wpseo-local-woocommerce
yoast-seo-search-index-purge
js_composer
woocommerce
wpseo-news
mailchimp-for-wp
woocommerce-gateway-paypal-express-checkout
wpseo-video
Nginx-FastCGI-Cache-master
woodmart-core
wpseo-woocommerce