phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3850758b699b04ec56f4a693d20e6e7f', -1, 1715030681, 1715030681, '030c47ed', -2, 0, 0)

Line : 189
File : sessions.php