phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './c2_forum/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 ('3eb0c71bdd1c8a9cf2b46c606a351e05', -1, 1328588810, 1328588810, '266bb3d0', -2, 0, 0)

Line : 187
File : sessions.php