phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '06cef9d4254ac3181f97ad609ac79997' for key 1

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('06cef9d4254ac3181f97ad609ac79997', -1, 1228426231, 1228426231, '26673f3c', 12, 0, 0)

Line : 187
File : sessions.php