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 ('bda7ac8f1b08ac3d5fb52bf3a8147f67', -1, 1713603116, 1713603116, '12df6f30', 5, 0, 0)

Line : 187
File : sessions.php