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 ('e034f3d48daa0f5dd53d17dc52b29aa3', -1, 1749788904, 1749788904, '12610e59', -9, 0, 0)

Line : 190
File : sessions.php