phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './why9work_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) VALUES ('1945f63010cc09a50e0184dc16c2dcfd', -1, 1412245513, 1412245513, 'adf5361e', -1, 0)

Line : 158
File : sessions.php