Hi to all.
Check out this How-to Guide for rebuilding your database. If you started with Qortal when Genesis launched, your database may be over 30 GB. Here is guide for rebuilding your database with latest available core version. Database will be around 10 GB after rebuild. Also, you can see how to add minting account.
Qortal - How to rebuild your database & add minting accounthttps://youtu.be/JPQdyoUSHGc