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 ('5ad48900079bb80b5e834cb96e8711d4', -1, 1730421012, 1730421012, '038aaa51', 14, 0, 0)

Line : 195
File : sessions.php