If you are getting an ad blocker pop up, please try one of the following:
Log out in the Earn Alliance app and desktop browser. Disable adblockers (if you have one). Relog in the app and browser.
Try using another browser.
If you are using Google Chrome or other Chromium-based browsers, go to Site Settings and allow 'Intrusive ads' or other similar ad-related settings.
If you are using Firefox, click the shield icon to the left of the URL line to disable 'Enhanced Tracking Protection' for Earn Alliance.
If you are using Opera One, disable Privacy Protection in the top right icons.
Try to reserve/mint using the Metamask app built-in browser.