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) VALUES ('39829dde95f7d4f71f6943b878ff2bec', -1, 1716089269, 1716089269, '0387e724', -8, 0)

Line : 158
File : sessions.php