BLACKBERRY ISSUES PLEASE HELP OMG?

KAY SO, today randomly out of no where my blackberry sent out thousands of chats to each person on my blackberry messenger list and they're all pissed cause it's like more than one thousand chats for them to delete so, does anyone know how i can delete these chats really quick or at once ? omfg please help if you can you're the greatest... i'll give 10 points !