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 ('a868b8c8b4b75b8aa4c4c8b67ce1f21b', -1, 1228291789, 1228291789, '26673f3c', 314, 0, 0)

Line : 189
File : sessions.php