devise_invitable | An invitation strategy for devise | Access Management library

So I have 2 apps that are supposed to work together. I have app1 which is an app only our employees will be using and app2 which is a customer_portal app where customers can log in and pay their balance. I'm trying to make it so that in app1 we can create a customer account and link it up to specific customers. This process will use devise_invitable to create an account for app2 and email the selected customer a link to set up their portal app (which just accepts the invite) but for some reason, the invite link doesn't work and just redirects to the home page. So basically app2 can't sign up for an account, the account has to be created through app1 and sent to the customer via email.

I heard from someone that it should only be redirecting if the URL is incorrect. But it's a URL that's generated via the invite function

I am back again with my ctrlpanel application.

I have it 100% working in development and went through the process to get it loaded up to Heroku and got the app up, gems installed. DB is there (mostly) but I have an issue even before the DB. I am getting an error dealing with devise_invitable that I DO NOT get in Development. To my surprise I do get the same error when I launch production on my laptop which was shocking to me to say the least as everything works perfect in development. So I know it isn't a Heroku issue which I am happy about at least I can reproduce it. The full error is below here but the line that specifically deals with the error is:

I am more of a Java programmer and still somewhat new to development (2 years or so, can write Java code & web apps just fine) however the company I work for has 4 Rails applications and was asked to get this application working called CtrlPanel. I have been having to learn Ruby on Rails in order to help get this issue with this app fixed and get it working.

I have been working on this problem for over a week all day long every day and nothing I do is fixing it.

I fixed everything to the point the app comes up, web server runs serves the pages but all views are white screens as long as this application.html.haml file is present. I re-wrote the file with very basic bootstrap and it sort of works but nothing looks right. The problem seems to stem from 1 single like that simply says: = javascript_include_tag "application"

I have been all over the internet and have tried every single fix from changing coffee-script-source to v1.8.0 as I read Windows has an issue with newer rails and that file, I have tried every variation of changing it from application to default, and every type of ending you can think of no matter what I do it gives me this error message which I can not seem to find.

I am not even sure WHAT that line does, I assume it has to do with the new Google Maps API and I verified the key is valid and it was working before.

This is the error is it giving it says the line with "= javascript_include_tag" "application" giving error ExecJS::RuntimeError at / SyntaxError: [stdin]:1:1: unexpected //=

I am running a PC on Windows 10 20H2 x64 UEFI ruby 2.7.2p137 (2020-10-01 revision 5445e04352) [x64-mingw32] Rails 6.1.3

(I did also install Ubuntu on another machine and it gives the exact same error, also gives the same error on another Windows machine)

The app is working IF I delete the "application.html.haml" file and put in a skeleton basic version all of the other views start working but of course none of them look right no menus no bootstrap no nothing.
Here is the application.html.haml file.

I want to allow authorized users to create (and destroy) user accounts. I have gotten this part working according to hints I found in this and other questions.

But I also want to prevent unauthorized users from creating and destroying accounts.

I have my own registration_controller:

I want the inviting user and the invited user to become mutual friends upon acceptance of the email invitation via devise_invitable (gem).

So the database should be like this:

I picked up a 4 year old project written in Ruby 2.1.3 and Rails 4.1.8.

Very few of the gems were versioned but I've managed to get the project running locally by installing mysql2 0.3.20 as suggested in multiple other threads. Doing this required me to (on MacOS) downgrade openssl and mysql with brew install mysql@57 and brew install openssl@10.

I could then install mysql2 with by passing the correct libraries to it: gem install mysql2 -v 0.3.20 -- --with-mysql-config=/usr/local/opt/mysql@5.7/bin/mysql_config --with-ldflags=-L/usr/local/opt/openssl@1.0/lib --with-cppflags=-I/usr/local/opt/openssl@1.0/include

Everything works locally, all good.

I'm trying to deploy this project with Dokku on a Debian instance. Here's the readout from the push to dokku master including the error thrown when starting the Rails server:

I am trying to upgrade some gems, and bundler gives me the following when doing bundle update:

Context

I implemented devise & devise_invitable where a user.admin can have many hotels and subsequently can invite a user to s specific hotel.

Issue

I would like to generate an index page of all the users belonging to a hotel (whether they accepted the invitation or not). Unfortunately, I get the following error message:

I'm trying to setup scambra devise_invitable in my rails 5 project. After setting up the gem and bundle install, When I run the first command for the initial setup -
rails generate devise_invitable:install I get the following error.