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 ('70c18d8abfa012b3e91dd79e50c53b84', -1, 1750191932, 1750191932, 'd849d80b', 30, 0, 0)

Line : 190
File : sessions.php