phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('cadbcac9d413308b8dd2a9e8b550d889', -1, 1748436563, 1748436563, '0316ebf3', -10, 0, 0)

Line : 189
File : sessions.php