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 ('351df3f283385ff21457d527c5d4c1ce', -1, 1493193198, 1493193198, '36e04e6a', -1, 0, 0)

Line : 187
File : sessions.php