I have been stalled at 260 for over a week. How do I get it going again??

Stalls are perfectly normal - your body is adjusting. Stick with the plan and it will get moving again. Meanwhile, do make sure you're tracking your food and properly measuring it so you aren't accidentally getting more than you thought, make sure you're getting in your protein and liquids. If you can, it's a good idea to make sure you're getting at least a moderate amount of exercise, too.