phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO tbl_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('e5cf0772aa6ab24521b0c02578c49ff0', -1, 1406666956, 1406666956, '36e25037', -4, 0, 0)

Line : 187
File : sessions.php