Sadly, there is not much that can be done on this forum, as they don't have an ANN thread here to try to contact their representative. I suggest posting this on casino.guru, I just checked, and they have already made a review on the casino(the casino is currently rated as "C").
Here's casino.guru's review on the casino
https://casino.guru/Ignition-Casino-review, and here is where you can create a complaint against the casino
https://casino.guru/complaints/create