phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2181d67101118c1d2341dc6d190d0cbe' for key 'PRIMARY'

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2181d67101118c1d2341dc6d190d0cbe', -1, 1770455653, 1770455653, 'd849d89e', 2, 0, 0)

Line : 186
File : sessions.php