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 ('414146b6347e0ddd2fa1092c9b9b3b0c', -1, 1715018025, 1715018025, '038aafb4', -7, 0, 0)

Line : 189
File : sessions.php