Access to the Digital Cloud leader certification training

[siva_k]

I was going through the digital cloud leader courses from this link

https://cloud.google.com/training/business#cloud-digital-leader-path

but getting 504 error when trying to access the courses

https://cloud.google.com/training/course/infrastructure-and-application-modernization-with-google-cl...

Anyone has a different link to access these courses?