phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mopo_phpbb1/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 ('87a9698124a2199f0f3455aa4a0d50df', -1, 1410843122, 1410843122, '36a18f16', 18, 0, 0)

Line : 191
File : sessions.php