phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b9cd1f1a48840aee92f7e668168dc8b8' 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 ('b9cd1f1a48840aee92f7e668168dc8b8', -1, 1714683848, 1714683848, '12bc98a2', 7, 0, 0)

Line : 189
File : sessions.php