This error occurs when there's a problem fulfilling a download request for a title you borrowed. Use the steps below to clear your browser's cache, which should resolve the issue:
- Tap Silk Browser to open the web browser.
- Go to Menu > Settings > Privacy.
- Tap Clear browsing data.
- Make sure Browsing history, Cache, and Cookies, Site data are selected. Then, tap Clear.
If these steps don't work for your device, please consult the user manual for your Kindle Fire.