phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './cpdb/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 ('d1a6937aa366240fdd4f2948b63ec2cb', -1, 1455406194, 1455406194, '365aae52', -1, 0, 0)

Line : 189
File : sessions.php