open_basedir restriction in effect. File(/) is not within the allowed path(s) in WordPress [Solved]

After a WordPress site move to new hosting, some images wouldn’t load and investigating the php error log revealed:

open_basedir restriction in effect. File(/) is not within the allowed path(s)

The solutions was to edit the database using phpMyAdmin, go to the table wp_options and set the correct value for upload_path.