Need help,hope I am in right area

Hello there, My name is Whitney. I belong to an online gaming community and our 2 original founders have retired but were maintaining our website.The website forums section has crashed and I am not tech savy at all,but trying to resolve this issue so all of our members can stay in contact... Here is the bug phpBB : Critical Error Error doing DB query userdata row fetch DEBUG MODE SQL Error : 145 Table './onesevse_phpb2/phpbb_users' is marked as crashed and should be repaired SELECT * FROM phpbb_users WHERE user_id = -1 Line : 136 File : sessions.php The only way we have to contact our two founders is threw this system but cannot not get access any ideas ?? Or am I even in the correct place ?? _wildwhit@aol.com_ (mailto:wildwhit@aol.com) ty very much for your time **************Get trade secrets for amazing burgers. Watch "Cooking with Tyler Florence" on AOL Food. (http://food.aol.com/tyler-florence?video=4&?NCID=aolfod00030000000002)