When I try to perform SAML authentication, the IDP returns an error message:
ACS URL in request is invalid. Please contact your administrator
The reason for this behavior is that the SAML service provider URL is not specified or is specified incorrectly. The correct format is https://sp.mycompany.com/cgi/samlauth (in the case of a Citrix NetScaler SP, this is implementation-dependent).
If the SAML SP outputs the following message
xxx,
