My iTunes won't open.. :( Cuz i made it with a higher ver...? HELP. :(?

Hey guys... I really need help.. :(. I`m not a techie girl so i'm clueless. Yesterday, i tried opening my itunes but a pop up said "it couldn't open iTunes lIbrary because it was created with a higher version" What happened? :( I read past questions and they said that i should troubleshoot it but will it erase all y songs?! i have tons in there!! HELP PLEASE!!