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, session_admin) VALUES ('4729c18aee789e9f73c4cd3e80f6b27b', -1, 1748656909, 1748656909, '0d3af5c9', -10, 0, 0)

Line : 189
File : sessions.php