Creative Differences: The show's creator and executive producer, Michael Poryes, had creative differences with the network over the show's direction. He wanted to explore more mature and serious storylines, while the network preferred to keep the show light and comedic.
Ratings Decline: The show's ratings had been steadily declining since its second season, and by the fourth season, it was no longer pulling in the same numbers as its earlier seasons. This decline may have been due to the show's aging target audience, as well as the rise of new, more popular shows on other networks.
Cast Burnout: The cast of the show was growing older and tired, and they were ready to move on to other projects. Raven-Symoné, in particular, was ready to pursue other opportunities and branch out her career beyond Disney Channel.