InitiateSSO EXCEPTION

ComponentSpace.SAML2.Exceptions.SAMLConfigurationException: The partner identity provider IDP_SSO_INT is not configured.
   at ComponentSpace.SAML2.Configuration.Resolver.SAMLConfigurationResolver.GetPartnerIdentityProviderConfiguration(String configurationID, String partnerName)
   at ComponentSpace.SAML2.InternalSAMLServiceProvider.InitiateSSO(HttpResponse httpResponse, String relayState, String partnerIdP, SSOOptions ssoOptions, String assertionConsumerServiceUrl, String singleSignOnServiceUrl)
   at ComponentSpace.SAML2.SAMLServiceProvider.InitiateSSO(HttpResponse httpResponse, String relayState, String partnerIdP)
   at Eventzilla.Web.Presentation.saml.Start.Page_Load(Object sender, EventArgs e) in D:\Local\Eventzilla.Web.Presentation\saml\Start.aspx.cs:line 62