phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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 ('11f335df700636db8c9b61cc11809b90', -1, 1417032264, 1417032264, '36576dc9', 1, 0, 0)

Line : 189
File : sessions.php