phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kondis_forum/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 ('a894776f067a33c69cccc8d5c4348491', -1, 1417032205, 1417032205, 'c0a87a01', 13, 0, 0)

Line : 189
File : sessions.php