Simplesaml Auth error when clearing cache

Question

I'm doing a local install of a Drupal 8 site and when I try to clear the cache with Drush, I get this error:

Is anyone familiar with this? I can't find anything relevant with a Google search. Thank you in advance for any suggestions or help.

Answer 1

I suggest you to install the library with composer. If you did it, run the next code:

composer update

You can find more information in the next link

https://simplesamlphp.org/modules