To correct the form for adding question in database

There is a website on campese. In admin panel there is a section "Question-answer" where displays all questions from the site, and have the opportunity to answer the question. That's all well and good, but there's also a page for adding a question (itself asked, itself answered). This form does not work. For some reason categories are not displayed, and the question comes into the database. The selection code of the same categories with the same page. In General you want to understand what it is and correct. Write "I – PROGRAMMER" and You're already in the candidates. Offer Your rate per hour