phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './pocketpctalk_bb/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 ('f4e919516753da77e7f8ab30bde1b1fb', -1, 1508534060, 1508534060, '369e3705', 63, 0, 0)

Line : 187
File : sessions.php