TOPIC: Upgrade to ebook_store not registering

After installing the ebook store plugin yesterday and upgrading, I still get the grayed out options for encrypt PDF file, all pdf print, QR codes, and pdf orientation.
I have my order # and transaction code. Can you tell me where I validate in the settings so that the plugin recognizes that I have upgraded?

I also get these two errors:

Warning: in_array() expects parameter 2 to be array, null given in /home/gravit15/public_html/wp-content/plugins/ebook-store/functions.php on line 235

Warning: in_array() expects parameter 2 to be array, null given in /home/gravit15/public_html/wp-content/plugins/ebook-store/functions.php on line 243

I was finally able to get a page to work using the embed code. Creating a new ebook page does not work. The Permalink [mywebsite]/ebook/[myebookpage] is not recognized by WP 4.0. It does not appear in the list of pages. When you search for it, you get no results. However, you can create a standard page and insert the embed code into it from the previously created ebook page. That page appears and operates properly. Just don't trash the ebook page. When you do the embed code stops working.

So now my only issue is that the $20 upgrade is not being recognized by my Settings.

Hello... is anyone out there?

Hi there,

Did you do a complete reinstall? Uninstall the old one and install the new one?

Do you want me to help you out set it up?

Sorry for the delayed reply, I was having some technical difficulties.

Thanks!

I uninstalled the original and installed the upgraded version before the issues arose.
I will try uninstalling and installing a fresh copy.

The upgrade settings are now visible. However, the page created by ebook-store is still not visible.
When clicking View Ebook item, all I get is "Apologies, but the page you requested could not be found. Perhaps searching will help."