Control panel page error

Hi guys

there is a page of my website behaving weirdly.
Below it the error I get. https://www.screencast.com/t/Gly4YM8JyV8z page https://www.viverelondra.com/apri-conto-corrente-bancario-inglese/ it happens only in the control panel

Warning: filesize(): stat failed for /home/bestsimu/public_html/ninserviziogratuito.co.uk/wp-content/uploads/2020/10/TransferWise-Protezione-dagli-investimenti-a-rischio-1.jpg in /home/bestsimu/public_html/ninserviziogratuito.co.uk/wp-content/plugins/wordpress-seo/src/builders/indexable-link-builder.php on line 287

Warning: filesize(): stat failed for /home/bestsimu/public_html/ninserviziogratuito.co.uk/wp-content/uploads/2020/10/TransferWise-notifiche-dal-conto-1.jpg in /home/bestsimu/public_html/ninserviziogratuito.co.uk/wp-content/plugins/wordpress-seo/src/builders/indexable-link-builder.php on line 287

Warning: filesize(): stat failed for /home/bestsimu/public_html/ninserviziogratuito.co.uk/wp-content/uploads/2020/10/FCA-Financial-Conduct-Authority-TransferWise-1.jpg in /home/bestsimu/public_html/ninserviziogratuito.co.uk/wp-content/plugins/wordpress-seo/src/builders/indexable-link-builder.php on line 287

Warning: Cannot modify header information – headers already sent by (output started at /home/bestsimu/public_html/ninserviziogratuito.co.uk/wp-content/plugins/wordpress-seo/src/builders/indexable-link-builder.php:287) in /home/bestsimu/public_html/ninserviziogratuito.co.uk/wp-admin/post.php on line 231