phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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) VALUES ('20ee42c6f6aca08523c53482c31f0cd1', -1, 1406175733, 1406175733, '3653e718', -1, 0)

Line : 158
File : /data/23/1/69/98/1395913/user/1498098/htdocs/forum/includes/sessions.php