15. Error of law.
 
    a. "Because Henderson's denial of AWD's zoning application was based upon an error of law, the fact that the denial may have otherwise been supported by substantial evidence and unabused discretion, as the district court concluded, is not relevant."
American West Dev. v. City of Henderson, 111 Nev. 804, 809, 898 P.2d 110 (1995). No. 46.