The build process is running successfully. However, I still get the error below on runtime. I don't know what can I do.
This exception was originally thrown at this call stack:
[External Code]
Nop.Core.PagedList<T>.PagedList(System.Linq.IQueryable<T>, int, int, bool) in PagedList.cs
Nop.Plugin.Shipping.FixedByWeightByTotal.Services.ShippingByWeightByTotalService.GetAll.AnonymousMethod__0() in ShippingByWeightByTotalService.cs
Nop.Core.Caching.PerRequestCacheManager.Get<T>(string, System.Func<T>, int?) in PerRequestCacheManager.cs
Nop.Plugin.Shipping.FixedByWeightByTotal.Services.ShippingByWeightByTotalService.GetAll(int, int) in ShippingByWeightByTotalService.cs
Nop.Plugin.Shipping.FixedByWeightByTotal.Services.ShippingByWeightByTotalService.FindRecords(int, int, int, int, int, string, decimal?, decimal?, int, int) in ShippingByWeightByTotalService.cs
Nop.Plugin.Shipping.FixedByWeightByTotal.Controllers.FixedByWeightByTotalController.RateByWeightByTotalList(Nop.Plugin.Shipping.FixedByWeightByTotal.Models.ConfigurationModel, Nop.Plugin.Shipping.FixedByWeightByTotal.Models.ConfigurationModel) in FixedByWeightByTotalController.cs
[External Code]