Module development and code questions

Hello,

When I go to this link: /admin/reports/rsvplist , I get the following error:

Page not found

  Home  Administration  Reports

The requested page could not be found.

In a views I would like to display the totals of some fields and I would like to display them in the space between the filter and the table where all the fields are displayed
It's possible?

Hi,

I have two routes: one use "POST" the other use "PUT".
In the corresponding controller for the "POST" route, I can get the request body / content with: $request->getContent().

Buuuut for the "PUT" route I try the same eg. $request->getContent() and it always return null.

I have tried a bunch of things, what could I be missing ?

Regards J

Hello,

I am building a module and I get the following error:

Hello,

Hello,

I am creating a module. But when I go to the module's page (/mymodule), I get the following error:

Access denied

You are not authorized to access this page.

These are the files of my module:

mymodule.info.yml:

name: My First Custom Module
type: module
core_version_requirement: ^9
description: 'My first Drupal module'
 

mymodule.module:

<?php