iOS app with self-signed SSL certificates NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9813)

INTERNAL.HOST.com/api/auth/token" but it appears i'm still getting the error attached

open class AlamofireService : NSObject {
    var privateSession:MooManager?
    // Mark: init
    override init() {
        super.init()
        var defaultHeaders = SessionManager.defaultHTTPHeaders
 
        defaultHeaders["User-Agent"] = (defaultHeaders["User-Agent"]! as String) + " mooIOS/1.0"
        
        let configuration = URLSessionConfiguration.ephemeral
        configuration.httpAdditionalHeaders = defaultHeaders
        
        let serverTrustPolicies: [String: ServerTrustPolicy] = [
            "INTERNAL.HOST.com": .disableEvaluation
        ]
       
        //privateSession = MooManager(configuration: configuration )
        
        privateSession = MooManager(configuration: configuration, serverTrustPolicyManager: ServerTrustPolicyManager(policies: serverTrustPolicies) )
    }
    // Mark: Singleton
    class var sharedInstance : AlamofireService {
        struct Singleton {
            static let instance = AlamofireService()
        }
        
        // Return singleton instance
        return Singleton.instance
    }
}