Meeting exception on new and old pages

For Workes & Pages, what is the name of the domain?

iamsystem32.pages.dev

What is the error number?

1101

What is the error message?

Worker threw exception

What is the issue or error you’re encountering

Created a new pages instance then meet Error 1101

What steps have you taken to resolve the issue?

I can’t find any error report to solve it

What are the steps to reproduce the issue?

Create a pages.dev instance
Upload contant
Visit via url, then receive Error 1101

Screenshot of the error

I can’t reproduce this while uploading some basic content. What content are you uploading to Pages?

I only upload an index.html

or says any content

Any solution?