Drupal 8.x

After setting up a new Drupal 8.8.5 site, when trying to use any AJAX features like adding paragraphs or media, it doesn't allow me to perform these tasks and I get the following error in the console:

Is there a hook to edit the main menu? Login is appearing on the main menu when a user is logged in instead of hiding, and there doesn't appear to be a fix for it, do was going to use a hook (if available) to hide it from the menu if a user is logged in on the site. 

Hi,

I just started up my first website about a week ago. I'm very eager to get it off the ground and there have been a lot of setbacks to date. The latest is that when I went to log in, it just plain did not recognise my credentials. It recognised my username, but not my password.

I tried resetting the password three times, but I never got the email.

I tried emailing Drupal twice, but I haven't heard back from them.

I hope this hasn't already been addressed elsewhere. Tried using the search function and couldn't spot anything.

Please help! Thanks

Hello,

I installed the module ‘Mail Goups’. There is a ‘basic’ connection plugin supplied in the module. Where do I find the information required for this basic connection? Do I have to supply an email address or does this module makes it for me? I’m not familiar with these email settings.

The alternative connection plugin asks for an account at mailgun. That solution seems even more complicated.

Perhaps I need an other module. I need it to do about the same things Mailman does, but then within Drupal. 
 

Thanks for any advice.

Peter

I think this is a complex question, but maybe not. Per the subject line, I have built a very rudimentary site using Drupal 8 (www.ed-rex.com), and have (thanks to the Wayback Machine) restore some of the content from my old, Drupal 6 site. But what I would like to do, is to restore the old content to /archive, while adding new content to the main areas of the site.

Is what I want doable and, if so, can someone point me towards a tutorial aimed at pretty unsophisticated users such as myself?