phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forum_members/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) VALUES ('3beae4a718a98be204b50f5643194910', -1, 1394209472, 1394209472, 'ccecfe96', -1, 0)

Line : 158
File : sessions.php