Drupal 8.x

Hi,

I have a custom paragraph template, in which I'm trying to display a taxonomy term, which is within an entity reference. So,

paragraph > entityreference fields > node > taxonomy term

I cannot seem to find the way in which I can access the taxonomy term within twig.

I've been trying:

I want to validate my form with JS but I'm not able even to call JS function. Could you tell me why?

mymodule.libraries.yml: 

validacion:
  version: 1.x
  js:
    js/validacion.js: {}
  dependencies:
    - core/jquery

Form: 

Hello i just installed the standard version of drupal 8 and just learned about hook form alter function, the only problem is when i write debug it give me an error. or sometimes it doesn't even work? could this be due to the standard package that i installed?

I'm just trying to edit "create a" account label in default registration page to say something else.

I have a question about Group module.

https://www.drupal.org/project/group

<Problem>

I have a Node.js program to upload contents by POST request. However,  just after I finished uploading these contents, these contents don’t relate to any Group.

So I need to relate these contents to a Group one by one.

<What I want to do>

1. I have successfully installed Drupal 8.4.3 in my site www.apclass.org. The report says I have two errors. One is TEMPORARY FILES DIRECTORY

I just have followed two tutorials on youtube:

https://www.youtube.com/watch?v=79zYcIoheCc&t=43s

and

https://www.youtube.com/watch?v=SAP9clnOf9E&t=8s

And results was "You are not authorized to access this page. "

In routing file I have made the correct indentation for both modules: