phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('98f2ae8757d0de58f0b4d591a1d227b6', -1, 1713562908, 1713562908, '039066ef', 3, 0, 0)

Line : 187
File : sessions.php