Error Message received when replacing image

Hi there, I have so far tried twice to replace images, however I got the following error message below. Can you help with this. Many thanks.

Warning: mysqli_query(): Empty query in /var/sites/a/allaboutstyle.co.uk/public_html/wp-includes/wp-db.php on line 1877

Warning: Cannot modify header information – headers already sent by (output started at /var/sites/a/allaboutstyle.co.uk/public_html/wp-includes/wp-db.php:1877) in /var/sites/a/allaboutstyle.co.uk/public_html/wp-includes/pluggable.php on line 1210