phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dancemo/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 ('5429d70e3dd3a24d6c7ee91996524c42', -1, 1493179758, 1493179758, '6b1672c2', 0, 0, 0)

Line : 193
File : sessions.php