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 ('e821f5a077a5cadc3c6f946f99f622da', -1, 1729743083, 1729743083, '12e0433d', 22, 0, 0)

Line : 195
File : sessions.php