If your Transaction ID is blacklisted that means:
If any of above is true, your Transaction ID is blacklisted because of abuse and there is nothing we can do about it. Only solution is to purchase another license, get new Transaction ID and keep it for yourself ONLY!
Otherwise, there might be an error with our system, so if you think blacklisting of your Transaction ID was an error, feel free to contact us and we will see what can we do about that.