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 ('6d03ca35db2fa78685b312d67a6b40fd', -1, 1408764701, 1408764701, '3650bb5f', -8, 0, 0)

Line : 191
File : sessions.php