Why can't the US make a claim on Iran?

Iranian Foreign Minister Mohammad Javad Zarif: We negotiated with the US about JCPOA and it was the longest negotiation in the US history Resolution 2231 has not yet been repealed, so the United States cannot make a claim After the US withdrawal, the Europeans pledged to cover the losses by undertaking 11 commitments. Our oil sale should be restored to the level of the May 2018