I am using ITfoxtec Identity.Saml2.MvcCore for .net core v3.1 for Single sign on using Ping Identity.
SAML ERROR Form key length limit 2048 exceeded. at Microsoft.AspNetCore.WebUtilities.FormPipeReader.ThrowKeyTooLargeException()
at Microsoft.AspNetCore.WebUtilities.FormPipeReader.ParseValuesSlow(ReadOnlySequence1& buffer, KeyValueAccumulator& accumulator, Boolean isFinalBlock) at Microsoft.AspNetCore.WebUtilities.FormPipeReader.ParseFormValues(ReadOnlySequence
1& buffer, KeyValueAccumulator& accumulator, Boolean isFinalBlock)
at Microsoft.AspNetCore.WebUtilities.FormPipeReader.ReadFormAsync(CancellationToken cancellationToken)
at Microsoft.AspNetCore.Http.Features.FormFeature.InnerReadFormAsync(CancellationToken cancellationToken)
at Microsoft.AspNetCore.Http.Features.FormFeature.ReadForm()
at Microsoft.AspNetCore.Http.DefaultHttpRequest.get_Form()
at ITfoxtec.Identity.Saml2.MvcCore.HttpRequestExtensions.ToGenericHttpRequest(HttpRequest request)
at Nbc.Score.Remotes.Web.Controllers.HomeController.AssertionConsumerService()
Failed method ITfoxtec.Identity.Saml2.MvcCore.HttpRequestExtensions.ToGenericHttpRequest