Help! Mofity Contribution on topic "How Did You Hear ?"

[happyday]

I recieve these error under Customers/Referrals:

 

The requested URL /admin/FILENAME_REFERRALS was not found on this server.

 

and Reports/Referral Sources:

 

The requested URL /admin/FILENAME_STATS_REFERRAL_SOURCES was not found on this server.

 

It be appreciated if someone could help me.

thanks