phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('a5d7fee14320ec323a2e3db80d31f1d5', -1, 1472143209, 1472143209, '3651a490', -1, 0, 0)

Line : 187
File : sessions.php