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 ('4137d6d2b4e75c00c200cbb4a8118048', -1, 1713954205, 1713954205, '03119aab', -4, 0, 0)

Line : 187
File : sessions.php