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 ('42d1d955a8b29fb8f8c12d3c8af8af87', -1, 1714330846, 1714330846, '030f0a89', -7, 0)

Line : 158
File : sessions.php