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 ('ea9a08871a8d3314392b9c7a3ddad96e', -1, 1730419530, 1730419530, '039140b2', -1280, 0, 0)

Line : 195
File : sessions.php