phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './simple/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 ('67d3285aa53c40230cd3e265b5afbec1', -1, 1265669024, 1265669024, '266bbf6f', 1, 0, 0)

Line : 172
File : sessions.php