Hi

Trying to develop own shipping method, however keep getting 3 warnings and 1 error, as I'm new to ASP.net and nopcommerce, I tried to reload all the reference services, but still no luck to fix them.

Warning  1  'System.Data.Entity.Database.DefaultConnectionFactory' is obsolete: 'The default connection factory should be set in the config file or using the DbConfiguration class. (See http://go.microsoft.com/fwlink/?LinkId=260883)'  C:\Users\G\Desktop\nopCommerce_3.20_Source\Libraries\Nop.Data\SqlServerDataProvider.cs  80  13  Nop.Data

Warning  2  The variable 'exc' is declared but never used  C:\Users\G\Desktop\nopCommerce_3.20_Source\Libraries\Nop.Services\Directory\GeoLookupService.cs  56  36  Nop.Services


Warning  3  Found conflicts between different versions of the same dependent assembly that could not be resolved.  These reference conflicts are listed in the build log when log verbosity is set to detailed.  Nop.Plugin.Shipping.ByWeightXArea

Error  4  'Nop.Plugin.Shipping.ByWeightXArea.Data.ShippingByWeightXAreaObjectContext' does not implement interface member 'Nop.Data.IDbContext.ExecuteSqlCommand(string, bool, int?, params object[])'  C:\Users\G\Desktop\nopCommerce_3.20_Source\Plugins\Nop.Plugin.Shipping.ByWeightXArea\Data\ShippingByWeightXAreaObjectContext.cs  13  18  Nop.Plugin.Shipping.ByWeightXArea

Can somebody help with this? Thank you in advance