missing listing

hello, i need help please!!  i set up a new listing, I got the acommodation agrrement and also get some questions about my hosting but I cant find it anywhere, I`m affraid someone book my place and duplicate because i have it listed on other sites as well. I did it from outlook and when the window closed it just dissappeared but apparently people can already see it and reserve. I`m clueless about what to do and support team havent contacted me. someone know what can I do???