UnexpectedValueException: Unrouted URIs do not have internal representations

I presume you are deleting nodes from `/admin/content/` and not node/X/delete?

I cannot replicate this on Drupal 10.

We should have a test for this behavior.

Here's a test.

I would like to understand what (if anything) is throwing this error before adding to the code.

$url = Url::fromUri('internal:' . $path);
$internal_path = '/' . $url->getInternalPath();

I think the issue is getInternalPath() throws an error when it checks for $this->unrouted.
$url is not created with any route values or options.

Maybe it should just be:

$internal_path = $url->toString();

I have the same error with a Drupal 10.2.4 installation.