Oh, so you're installing a dice script on your server? You must first try to look for help/tutorial from the seller, get some support from them.
AFAIK, it is asking you to put database info like a mysql database details into the input boxes - check out your server setup and look for any database related features (commonly Mysql Database) , this link may help you
https://www.liquidweb.com/kb/how-to-create-a-mysql-database-and-user-in-cpanel/ and for the wallet info, I'm not so sure about it so let's just wait for others.
