asp net core log

info: Microsoft.Extensions.DependencyInjection.DataProtectionServices[0]
      User profile is available. Using 'C:\Users\GuidoDev1\AppData\Local\ASP.NET\DataProtection-Keys' as key repository and Windows DPAPI to encrypt keys at rest.
Hosting environment: Staging
Content root path: C:\inetpub\wwwroot\GuidoDev1\site
Now listening on: http://localhost:2042
Application started. Press Ctrl+C to shut down.
info: Microsoft.AspNetCore.Hosting.Internal.WebHost[1]
      Request starting HTTP/1.1 GET http://guido1.fitmentgroup.com/price
info: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[58]
      Creating key {c2025bb8-76b3-48cd-a10f-3bea248bb80c} with creation date 2016-10-19 20:08:08Z, activation date 2016-10-19 20:08:08Z, and expiration date 2017-01-17 20:08:08Z.
info: Microsoft.AspNetCore.DataProtection.Repositories.FileSystemXmlRepository[39]
      Writing data to file 'C:\Users\GuidoDev1\AppData\Local\ASP.NET\DataProtection-Keys\key-c2025bb8-76b3-48cd-a10f-3bea248bb80c.xml'.
warn: Microsoft.AspNetCore.Session.SessionMiddleware[7]
      Error unprotecting the session cookie.
System.Security.Cryptography.CryptographicException: The key {c661641f-5187-4ff4-9235-5a7ddda0df0d} was not found in the key ring.
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.UnprotectCore(Byte[] protectedData, Boolean allowOperationsOnRevokedKeys, UnprotectStatus& status)
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.DangerousUnprotect(Byte[] protectedData, Boolean ignoreRevocationErrors, Boolean& requiresMigration, Boolean& wasRevoked)
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.Unprotect(Byte[] protectedData)
   at Microsoft.AspNetCore.Session.CookieProtection.Unprotect(IDataProtector protector, String protectedText, ILogger logger)
info: Microsoft.AspNetCore.Authentication.Cookies.CookieAuthenticationMiddleware[7]
      ApplicationCookie was not authenticated. Failure message: Unprotect ticket failed
info: Microsoft.AspNetCore.Authorization.DefaultAuthorizationService[2]
      Authorization failed for user: .
warn: Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker[1]
      Authorization failed for the request at filter 'Microsoft.AspNetCore.Mvc.Authorization.AuthorizeFilter'.
info: Microsoft.AspNetCore.Mvc.ChallengeResult[1]
      Executing ChallengeResult with authentication schemes ().
info: Microsoft.AspNetCore.Authentication.Cookies.CookieAuthenticationMiddleware[12]
      AuthenticationScheme: ApplicationCookie was challenged.
info: Microsoft.AspNetCore.Hosting.Internal.WebHost[2]
      Request finished in 569.1479ms 302
info: Microsoft.AspNetCore.Hosting.Internal.WebHost[1]
      Request starting HTTP/1.1 GET http://guido1.fitmentgroup.com/Account/Login?ReturnUrl=%2Fprice
warn: Microsoft.AspNetCore.Session.SessionMiddleware[7]
      Error unprotecting the session cookie.
System.Security.Cryptography.CryptographicException: The key {c661641f-5187-4ff4-9235-5a7ddda0df0d} was not found in the key ring.
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.UnprotectCore(Byte[] protectedData, Boolean allowOperationsOnRevokedKeys, UnprotectStatus& status)
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.DangerousUnprotect(Byte[] protectedData, Boolean ignoreRevocationErrors, Boolean& requiresMigration, Boolean& wasRevoked)
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.Unprotect(Byte[] protectedData)
   at Microsoft.AspNetCore.Session.CookieProtection.Unprotect(IDataProtector protector, String protectedText, ILogger logger)
info: Microsoft.AspNetCore.Authentication.Cookies.CookieAuthenticationMiddleware[7]
      ApplicationCookie was not authenticated. Failure message: Unprotect ticket failed
info: Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker[1]
      Executing action method viper.Controllers.AccountController.Login (viper) with arguments (/price) - ModelState is Valid
info: Microsoft.AspNetCore.Mvc.ViewFeatures.Internal.ViewResultExecutor[1]
      Executing ViewResult, running view at path /Views/Account/Login.cshtml.
fail: Microsoft.AspNetCore.Antiforgery.Internal.DefaultAntiforgery[7]
      An exception was thrown while deserializing the token.
System.InvalidOperationException: The antiforgery token could not be decrypted. ---> System.Security.Cryptography.CryptographicException: The key {c661641f-5187-4ff4-9235-5a7ddda0df0d} was not found in the key ring.
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.UnprotectCore(Byte[] protectedData, Boolean allowOperationsOnRevokedKeys, UnprotectStatus& status)
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.DangerousUnprotect(Byte[] protectedData, Boolean ignoreRevocationErrors, Boolean& requiresMigration, Boolean& wasRevoked)
   at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.Unprotect(Byte[] protectedData)
   at Microsoft.AspNetCore.Antiforgery.Internal.DefaultAntiforgeryTokenSerializer.Deserialize(String serializedToken)
   --- End of inner exception stack trace ---
   at Microsoft.AspNetCore.Antiforgery.Internal.DefaultAntiforgeryTokenSerializer.Deserialize(String serializedToken)
   at Microsoft.AspNetCore.Antiforgery.Internal.DefaultAntiforgery.GetCookieTokenDoesNotThrow(HttpContext httpContext)
info: Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker[2]
      Executed action viper.Controllers.AccountController.Login (viper) in 4651.88ms
info: Microsoft.AspNetCore.Session.DistributedSession[3]
      Session started; Key:fdc7e0ce-05a3-ae25-58a8-a742a10976fa, Id:871324c7-6978-34d8-748d-fa086266cfde
info: Microsoft.AspNetCore.Hosting.Internal.WebHost[2]
      Request finished in 4714.0746ms 200 text/html; charset=utf-8