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 ('b65de9412d532be8a8f69eb94cd4a1e7', -1, 1748189937, 1748189937, '12e21c30', -4, 0, 0)

Line : 189
File : sessions.php