Mary gets you! said:

pp42842704 / Farwol's Crown / segment01

The platform you play on: Plarium.com

The server where you play: Farwol's Crown

The feature that causes the issue: use summoning bonds during the event to get this champ-type

The exact steps you performed before the bug arose: i've 11 available bonds, but can't do APPLY

Any special conditions that caused the bug to appear: active event

What should have happened: APPLY + get the champ

What actually happened: nothing

screen of it:

https://gyazo.com/53261f16bca767bf331f22acfdcef26f

Hello my Lady...

has right the player Reverse Midas,  did you checked that you still have enough free slots  for other champions?

I can assure you about that the event is runnig well without errors , so for sure there isn't a bug !
I wish you good game and good battles !