Can a plaintiff bring a lawsuit against a state official on the basis of state law?

against state officials on the basis of state law," but allows a plaintiff to bring suit in federal court against a state officer accused of violating federal law. Id. at 102, 104-6. "This exception is narrow: It applies only to prospective relief, does not permit judgments against state officers declaring that they violated federal law in the past, and has no application in suits against the States and their agencies, which are barred regardless of the relief sought." Puerto Rico Aqueduct, 506 U.S. at 146; Edelman v. Jordan, 415 U.S. 651 (1974) (finding that a federal court may award an injunction that governs the official's future conduct, but not one that awards retroactive monetary relief).