phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '841e9f5e06bee93cc8edce9df13cfc81' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('841e9f5e06bee93cc8edce9df13cfc81', -1, 1771873923, 1771873923, 'd849d892', 10013, 0)

Line : 180
File : /www/includes/sessions.php