Donated first time but it won't let me buy DLC's?

[Jizo]

Hey guys,

First of all I would like to say I'm so happy I discovered this awesome game yesterday!! How could I missed this gem for all these years.
I just made my first donation of 5euros today.
The game is downloaded from te4 website and donation was made at the same website.
I don't know if this is a correct forum section to post things like this, but
my balance details says: Total 50, remaining -10 coins.

I made the donation because I wanted to buy the DLC but it won't let me buy it (maybe because it shows I have balance of -10 coins?).
Please see the screenshot:


Is this normal? Do I get the 50 coins in a while and I just have to wait a little bit?

Thanks for the reply!

P.S. I see I get donator perks if I donate 6euros, what are those perks exatcly?

[HousePet]

You will have to donate a bit more to buy the DLC.
The donator features are:
A snazzy green name in ingame chat.
The Stone Warden Class.
The ability to transfer items between characters.

[Jizo]

You will have to donate a bit more to buy the DLC.
The donator features are:
A snazzy green name in ingame chat.
The Stone Warden Class.
The ability to transfer items between characters.

Thanks for the reply.
I finally figured out that to be able to buy DLC's, you have to have Donator Perks first. I've missed that before I donated first time.
Now everything's fine.