Warning: mysql_fetch_object(): supplied argument is not a valid MySQL result 
resource in /home/gtop100/public_html/gs100/pmembers/act_add_user_link.php on line 67

Warning: Unknown(): Your script possibly relies on a session side-effect which existed 
until PHP 4.2.3. Please be advised that the session extension does not consider global 
variables as a source of data, unless register_globals is enabled. You can disable this 
functionality and this warning by setting session.bug_compat_42 or 
session.bug_compat_warn to off, respectively. in Unknown on line 0


How can I fix this?