What is "Team Win Recovery Project"

Al Rodriguez, since you have TWR, you will have to download the stock ROM from Amazon. Here is the link for it. Check on here for a good video and instructions.

Step by Step Guide

Connect USB cable to Kindle Fire.

Mount it as USB Mass Storage mode.

At PC, rename Kindle Fire Software Update bin file to update.zip.

Copy update.zip to Kindle Fire SDcard (root level).

Turn off USB Mass Storage mode.

Unplug USB cable.

Power off Kindle Fire.

Power on it.

Press power button until light turn orange.

TWRP 2.0 Recovery will be loaded then.

Select Wipe.

Select Cache then Wipe cache.

Select Dalvik Cache then Wipe dalvik-cache.

Select Factory Reset then Factory Reset.

Go back to Home.

Select Install this time.

Then select update.zip.

Select Flash after that.

After installed, select Reboot System.

You can also get information about this issue from TWRP directly on here. Hope this helps, good luck