Yoast active plugin issue

Hello,

After active plugin, I am not able to Add new post and not create a new page. I am a check error log its give below PHP Fatal error:

PHP Fatal error:  Uncaught TypeError: Argument 2 passed to WPSEO_Link_Watcher::save_post() must be an instance of WP_Post, null given, called in /home/ut4h2ue96dfe/public_html/demo/edbreak/wp-includes/class-wp-hook.php on line 288 and defined in /home/ut4h2ue96dfe/public_html/demo/edbreak/wp-content/plugins/wordpress-seo/admin/links/class-link-watcher.php:45
Stack trace:
#0 /home/ut4h2ue96dfe/public_html/demo/edbreak/wp-includes/class-wp-hook.php(288): WPSEO_Link_Watcher->save_post(0, NULL)
#1 /home/ut4h2ue96dfe/public_html/demo/edbreak/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array)
#2 /home/ut4h2ue96dfe/public_html/demo/edbreak/wp-includes/plugin.php(465): WP_Hook->do_action(Array)
#3 /home/ut4h2ue96dfe/public_html/demo/edbreak/wp-includes/post.php(3951): do_action('save_post', 0, NULL, false)
#4 /home/ut4h2ue96dfe/public_html/demo/edbreak/wp-admin/includes/post.php(666): wp_insert_post(Array)
#5 /home/ut4h2ue96dfe/public_html/demo/edbreak/wp-admin/post-new.php(66): get_default_post_to_edit('post', tr in /home/ut4h2ue96dfe/public_html/demo/edbreak/wp-content/plugins/wordpress-seo/admin/links/class-link-watcher.php on line 45

Please solve this issue ASAP or else you can suggest other options for this.