What is this mysql error?

[sammyman]

Warning: mysql_fetch_row(): supplied argument is not a valid MySQL result resource in /home/xxxxxx/public_html/photo/forums/vb3.php on line 350

Warning: mysql_fetch_row(): supplied argument is not a valid MySQL result resource in /home/xxxxxxx/public_html/photo/pp-inc.php on line 2772

Why would I get this error?

[Chuck S]

It means that you have not ran the upgrade script. If your upgrading your need to run upgrade.php and run all applicable upgrades.

If this is a new install then your install did not complete as you have no usergroups table.