Mail in admin says page not exsist

[inventacom]

In admin section under system/settings/ when I click on Mail link where the settings are the link goes to "Page not found" whats wrong and how do I get to these settings and how come I'm not getting mail notifications from customers in the Admin panel? I get notifications via my email but but would like for these notifications of mail in admin section. please help

[abolabo]

what about system logs ->error log?