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 ('d02cf2dd1461d2379d7be4f7e4687bc6', -1, 1714734523, 1714734523, '12e10b62', 20, 0)

Line : 158
File : sessions.php