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 ('aec0b9fb20ae50f0302cb60d85cd4d95', -1, 1467164817, 1467164817, '36c61bed', -1, 0, 0)

Line : 187
File : sessions.php