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 ('05505cf4d0197ca7d2f27b8110a49225', -1, 1748779683, 1748779683, '03946a2e', -9, 0, 0)

Line : 190
File : sessions.php