Fatal error updating product

Im using your service + plugin, but lately we have been getting an error when saving the product page, when we checked the log, the error is coming from your plugin:

Fatal error: Uncaught Error: Call to undefined method Normalizer::isNormalized() in /home/techlabcoil/public_html/wp-content/plugins/cloudflare/vendor/symfony/polyfill-intl-idn/Idn.php:338 Stack trace: #0 /home/techlabcoil/public_html/wp-content/plugins/cloudflare/vendor/symfony/polyfill-intl-idn/Idn.php(163): Symfony\Polyfill\Intl\Idn\Idn::process(‘techlab.co.il’, Array, Object(Symfony\Polyfill\Intl\Idn\Info)) #1 /home/techlabcoil/public_html/wp-content/plugins/cloudflare/vendor/symfony/polyfill-intl-idn/bootstrap80.php(121): Symfony\Polyfill\Intl\Idn\Idn::idn_to_ascii(‘techlab.co.il’, Array, 1, NULL) #2 /home/techlabcoil/public_html/wp-content/plugins/cloudflare/src/WordPress/WordPressClientAPI.php(18): idn_to_ascii(‘techlab.co.il’, 0, 1) #3 /home/techlabcoil/public_html/wp-content/plugins/cloudflare/src/WordPress/Hooks.php(148): CF\WordPress\WordPressClientAPI->getZoneTag(‘techlab.co.il’) #4 /home/techlabcoil/public_html/wp-content/plugins/cloudflare/src/WordPress/Hooks.php(442): CF\WordPress\Hooks->purgeCacheByRelevantURLs(180768) #5 /home/techlabcoil/public_html/wp-includes/class-wp-hook.php(307): CF\WordPress\Hooks->purgeCacheOnPostStatusChange(‘publish’, ‘publish’, Object(WP_Post)) #6 /home/techlabcoil/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(Array, Array) #7 /home/techlabcoil/public_html/wp-includes/plugin.php(476): WP_Hook->do_action(Array) #8 /home/techlabcoil/public_html/wp-includes/post.php(5303): do_action(‘transition_post…’, ‘publish’, ‘publish’, Object(WP_Post)) #9 /home/techlabcoil/public_html/wp-includes/post.php(4563): wp_transition_post_status(‘publish’, ‘publish’, Object(WP_Post)) #10 /home/techlabcoil/public_html/wp-includes/post.php(4775): wp_insert_post(Array, false, true) #11 /home/techlabcoil/public_html/wp-admin/includes/post.php(426): wp_update_post(Array) #12 /home/techlabcoil/public_html/wp-admin/post.php(227): edit_post() #13 {main} thrown in /home/techlabcoil/public_html/wp-content/plugins/cloudflare/vendor/symfony/polyfill-intl-idn/Idn.php on line 338