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 ('84e83ca20a9972ba804774ce1b70a2d2', -1, 1715327621, 1715327621, '030e46a3', 1, 0, 0)

Line : 189
File : sessions.php