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 ('50e95154d9b8bbd4d27df97a2915c1be', -1, 1715114019, 1715114019, '1275e3c2', 7, 0, 0)

Line : 189
File : sessions.php