I appreciate all the efforts you've performed to get this resolved, Kenriqu2.

Since you're unable to condense your data, I'd recommend contacting our QuickBooks Support Team. They're equipped with tools to determine why you can't choose the delete audit trail option. They can also help you successfully condense your file.

Here's how:

1. From the Help menu, select QuickBooks Desktop Help.
2. In the Have a Question window, click the Contact us link.
3. This will display the Contact Us screen.
4. Go to the Tell us more about your question section to enter the issue or topic in the field box.
5. Click the Search button to display the Start a Message button.

To ensure that you'll be assisted on time, please see our support hours. 

In case you notice any possible data issues in QuickBooks Desktop, I encourage checking out this article to fix the problem: Fix Company File Damage.

Also, may I know the reason why you're condensing your data? This way, we'll be able to ensure this is the right process for you.

Please let me know how it goes. I'm always here if you need more help in keeping your book balanced. Keep safe always!