[Koha] Problem with Koha and the creation of users

Hello, Greetings! One question, I am installing Koha version 2.2.9, actually install it, but I am testing the functionality of Koha installed on my server and I have not really been able to add users, I have achieved yampoco verify that table is stored users, not if the program is wrong, or is a mistake of poor installation. Thank you for your response