System Error

System.InvalidOperationException: Sequence contains no matching element
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source, Func`2 predicate)
   at PupaMVC.Repositories.SubscribeRepository.GetFriendlyViewNameRedesign(ShopViewModel shopModel, List`1 categories, ShopQueryInfo queryInfo)
   at PupaMVC.Repositories.SubscribeRepository.GetShopPortalViewModelRedesign(ShopViewModel directory, ShopQueryInfo queryInfo)
   at PupaMVC.Controllers.InfoPagesController.ShopDirectory(String subPath, Nullable`1 d, Nullable`1 f, Nullable`1 issueId, Boolean canGoNextPage)
   at lambda_method(Closure , ControllerBase , Object[] )
   at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
   at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12()
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)

ALL_HTTP: HTTP_ACCEPT:*/*
HTTP_ACCEPT_ENCODING:gzip, br, zstd, deflate
HTTP_HOST:mcstaging.net
HTTP_USER_AGENT:Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HTTP_X_FORWARDED_FOR:216.73.216.253
HTTP_X_FORWARDED_PROTO:https
HTTP_X_FORWARDED_PORT:443
HTTP_X_AMZN_TRACE_ID:Root=1-6880a2aa-4d24d8413fc936f26cf653a6

ALL_RAW: Accept: */*
Accept-Encoding: gzip, br, zstd, deflate
Host: mcstaging.net
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
X-Forwarded-For: 216.73.216.253
X-Forwarded-Proto: https
X-Forwarded-Port: 443
X-Amzn-Trace-Id: Root=1-6880a2aa-4d24d8413fc936f26cf653a6

APPL_MD_PATH: /LM/W3SVC/2/ROOT

APPL_PHYSICAL_PATH: c:\pupa\par_f502fd7a175615ce3ec65f8d2277a8d594b9bc47_20250714-180727\

CERT_KEYSIZE: 256

CERT_SECRETKEYSIZE: 2048

CERT_SERVER_ISSUER: CN=localhost

CERT_SERVER_SUBJECT: CN=localhost

CONTENT_LENGTH: 0

GATEWAY_INTERFACE: CGI/1.1

HTTPS: on

HTTPS_KEYSIZE: 256

HTTPS_SECRETKEYSIZE: 2048

HTTPS_SERVER_ISSUER: CN=localhost

HTTPS_SERVER_SUBJECT: CN=localhost

INSTANCE_ID: 2

INSTANCE_META_PATH: /LM/W3SVC/2

LOCAL_ADDR: 172.19.4.172

PATH_INFO: /shop/category/none

PATH_TRANSLATED: c:\pupa\par_f502fd7a175615ce3ec65f8d2277a8d594b9bc47_20250714-180727\shop\category\none

REMOTE_ADDR: 172.19.0.50

REMOTE_HOST: 172.19.0.50

REMOTE_PORT: 53854

REQUEST_METHOD: GET

SCRIPT_NAME: /shop/category/none

SERVER_NAME: mcstaging.net

SERVER_PORT: 443

SERVER_PORT_SECURE: 1

SERVER_PROTOCOL: HTTP/1.1

SERVER_SOFTWARE: Microsoft-IIS/10.0

URL: /shop/category/none

HTTP_ACCEPT: */*

HTTP_ACCEPT_ENCODING: gzip, br, zstd, deflate

HTTP_HOST: mcstaging.net

HTTP_USER_AGENT: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

HTTP_X_FORWARDED_FOR: 216.73.216.253

HTTP_X_FORWARDED_PROTO: https

HTTP_X_FORWARDED_PORT: 443

HTTP_X_AMZN_TRACE_ID: Root=1-6880a2aa-4d24d8413fc936f26cf653a6