Embedded project can not run sandbox

[EmreSahiner]

Description of Bug

We can not run embedded projects. Normal stackblitz project has no problem.
You can see this error from here:
https://tanstack.com/query/latest/docs/framework/react/examples/basic

Steps to Reproduce

1. Go to 'https://tanstack.com/query/latest/docs/framework/react/examples/basic'
2. Click on 'Interactive Sandbox"
3. See error: "unable ro run embedded project"

[brrkrmn]

We're experiencing this issue as well

[sudeengin]

Same!!! Assistance please

[GzdeGrlr]

Same issue. Embedded StackBlitz projects are not running for us either.

[oznurtopcu]

Same issue for us too, please assist.