When an individual blogger writes a post and publishes it, he/she gets the following errors. what's the issue? Plz help me to fix it.
Catchable fatal error: Object of class WP_Error could not be converted to string in /home/public_html/wp-includes/wp-db.php on line 460
Warning: Cannot modify header information - headers already sent by (output started at /home//public_html/wp-includes/wp-db.php:460) in /home/public_html/wp-includes/pluggable.php on line 865
