phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forumradionet/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('83884b6bc568ddd84b654ad71a73070a', -1, 1410862038, 1410862038, '36a6e464', -7, 0, 0)

Line : 187
File : sessions.php