The home page of my website is loading well, but once loaded, it gets refreshed and a white screen is displayed. I tried many solutions, including restoring the database, deactivating plugins, etc, but no success.
According to the error you are defining
WP_CACHE as true somewhere (maybe in
wp-config.php?). This way Wordpress is looking for a file that doesn't exist in default installation.
Disable it and the error will be gone.
You can also create an empty file
advanced-cache.php in wp-content/ directory if you are unable to find