Please help!! My restaurant is playing up big time

[savos]

Hey peeps, really don't know what has happened to my restaurant!! I went on yesterday and found I was minus 600,000 coins!! I can't collect tips, tip, remove cooked food or cook food!! Everytime I try to do anything it says darn you havent enough money!! It's been going on for 24hrs now!! I have updated rs since the problem but no change!! I have been playing for nearly a yr daily so please help... Don't want to delete app!! I play on iPhone and my id savos
Thank you xx