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 ('0ce709a7d2b19d5a6f1206c5a01f97e9', -1, 1425500035, 1425500035, '36a7a346', -4, 0, 0)

Line : 187
File : sessions.php