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 ('56386345c1d03d5d16ee7d0d90064e09', -1, 1714282071, 1714282071, '03864dc3', -4, 0)

Line : 158
File : sessions.php