phpBB by Przemo : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '847a04f2a93a66f12735facd920f59d9' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('847a04f2a93a66f12735facd920f59d9', -1, 1752017720, 1752017720, 'd849d86a', 21, 0)

Line : 337
File : sessions.php