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 ('c79439ce2aa7baa79c9d5858909294bc', -1, 1469468919, 1469468919, '36a1036c', -1, 0, 0)

Line : 187
File : sessions.php