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 ('4086910403f356c5b45e271bd6c9a3e2', -1, 1715243068, 1715243068, '038a7414', -6, 0, 0)

Line : 189
File : sessions.php