phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './ifwagba_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, session_admin) VALUES ('af2ccef39b3dc7735e53b4c247e29a5d', -1, 1406131278, 1406131278, '36e0ca6d', -1, 0, 0)

Line : 189
File : sessions.php