Trying to create new Angular project and getting 500 error

[condrag]

Description of Bug

Provide a concise description of your bug and your project link (if applicable).

Steps to Reproduce

1. Go to 'https://stackblitz.com/'
2. Click on 'New Project'
3. In popup select "Angular TypeScript"
4. Getting an error

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500: Error
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Expected Behavior

Should create new angular project like it did before

Screenshots/Screencast