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 ('f38642db6c15967ba99ee82e3091bdae', -1, 1715180266, 1715180266, '1275e3c2', -4, 0, 0)

Line : 189
File : sessions.php