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 ('7dcb5571233e4c7df78e6e9d02197476', -1, 1714395989, 1714395989, '0d3bc376', 20, 0)

Line : 158
File : sessions.php