Not redirecting after successful authorization using saml11 ticket validator.

[Warsom228]

Hello! I'm trying to get cas going with both Cas20 and saml11 ticketValidator. While using saml11 validator i get the issue, that a pinned in a issue name. While using cas20 it gets me an error redirecting to login Page again:
<cas:authenticationFailure code="INVALID_PROXY_CALLBACK">The supplied proxy callback url 'https://##/cas/validate?proxyResponse=true' could not be authenticated. Either 'https://##/cas/validate?proxyResponse=true' cannot be reached, it is not allowed to exercise proxy authentication.</cas:authenticationFailure>
</cas:serviceResponse>
DateTime=2023-04-03T07:40:25.4766378Z
DotNetCasClient.Protocol Error: 3237 : Ticket validation error: DotNetCasClient.Validation.TicketValidationException: CAS ticket could not be validated.
(## is the url, deleted it for safety purposes)

Hope yall can help me with in.