phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './oube/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 ('4f34659e0d2f0bac32efec6f82eba2fa', -1, 1412172815, 1412172815, '36516c69', -16, 0, 0)

Line : 187
File : sessions.php