phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9cf3e6a12d0abf1a8d93b580c6446a6' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a9cf3e6a12d0abf1a8d93b580c6446a6', -1, 1715727828, 1715727828, '0391ba93', -4, 0, 0)

Line : 187
File : sessions.php