200

An server error has occured.

The parameters dictionary contains a null entry for parameter 'tCategoryID' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult tEntitiesPagedList(Int32, System.String, System.String, System.Nullable`1[System.Int32], System.Nullable`1[System.Int32], System.Nullable`1[System.Boolean])' in 'Nerdvet.Controllers.EntitiesController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter. Parameter name: parameters