phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '83a34bf6ac3705226f9304be6df23b7e' for key 'PRIMARY'

INSERT INTO phpbb_Alfa_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('83a34bf6ac3705226f9304be6df23b7e', -1, 1766152261, 1766152261, 'd849d860', -9, 0, 0)

Line : 189
File : sessions.php