Do you have screen shots of your base?

From your own words you had a big base, so from their statements you may very well have been in violation of abuse of the claim system to prevent access to building spots. You however seem to be fixated on the “access to recourse” part of the sentence but that may not have been the issue. Again, without screenshots no one on the forums will ever have any way of being able to help to explain why you may have been in violation in any way. Furthermore, you have not been banned for two weeks, you have been suspended for 2 weeks. Being banned is permanent, being suspended is temporary. There is a difference.