xnd | C library for managing typed memory blocks

I have a dataset that looks like this:

I'm working on an item where I will be displaying a set of related tables set inside tabs. See the fiddle here

Where I'm having an issue is the indicator. You'll note on page load that the indicator aligns to the right of the tabs, moved further right as each tab is activated, and is not the appropriate length.

I have poured over the documentation, but I cannot seem to find what I'm missing. Is there some callback or another function that needs implemented?

Here's my code:

I try to use CoreData in my Main Application and I want to access it via an Today Extension and later in my WatchApp.

I added a new target for my Today Widget - than activated AppGroups for both targets. Of course the same appGroup.

Then I builded an "SharedCode" Framework. To share helper classes and my CoreDataStack class in both, my Main and Today application.

I builded the CoreDataStack mentioned in this Blogpost: https://swifting.io/blog/2016/09/25/25-core-data-in-ios10-nspersistentcontainer/

Also I added this code tho change the directory:

I have a Packagist package for composer, lwilson/onepage, with one PHP file. The file has one class, which contains one function. I have installed the package on my Web server, and I have a PHP file which is supposed to use it. I know that the composer autoloader is included properly, since I could use other composer libraries installed on the server. I get the following result: