unable to access old.niotron.com/

unable to login in old niotron to recover my old project please help
page stuck at this url and reloading not working only white screen appear nothing else

https://old.niotron.com/login.jsp?authToken=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1dWlkIjoiZTVkNDYwY2EtNGMzYi00MTZjLTk4YTAtMDA4ODg2ODJhMWFkIiwiZW1haWwiOiJtYXVyZWVuaGVucnkxOTc4QGdtYWlsLmNvbSIsImlhdCI6MTYzNDIxMDA4NSwiZXhwIjoxNjM0MjUzMjg1fQ.-5i5pXqUD3pqf2VmcQb6oD6RFPklJnDmKPo7RJ9g9GI
Describe the bug in detail…

Facing same issue, Please Help