it means you have not edit the admin_board.php according to the installation instruction.
No, i edit all files. Donation Setings in Donors Admin or other category in admin panel?
when you install the donation MOD, did you encounter any problem or modified something?
Donation Setings is under Admin Control Panel,
General Admin -> Configuration -> scroll down untill you find the Donation Setings
You have to setup your paypal account and other information there before others can donate.