Time: 10/2/2024 1:24:24 PM Execption :ID:192.42.116.23 gtIPInfo()--> Reader --> : Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: Cannot perform runtime binding on a null reference at CallSite.Target(Closure , CallSite , Object ) at System.Dynamic.UpdateDelegates.UpdateAndExecute1[T0,TRet](CallSite site, T0 arg0) at CallSite.Target(Closure , CallSite , Object ) at wcfProductPrice.ProductPrice.gtIPInfo() in E:\Rahul Sir Handover\wcfProductPrice\ProductPrice.svc.cs:line 190 Time: 10/2/2024 6:20:57 PM Execption :ID:197.186.29.30 gtIPInfo(): System.IO.IOException: The process cannot access the file 'C:\inetpub\wwwroot\ProductPriceSrv-new_2\Logs\New_2024-10-02.txt' because it is being used by another process. at wcfProductPrice.Logger.WriteToFileNew(String msg) in E:\Rahul Sir Handover\wcfProductPrice\ProductPrice.svc.cs:line 478 at wcfProductPrice.ProductPrice.gtIPInfo() in E:\Rahul Sir Handover\wcfProductPrice\ProductPrice.svc.cs:line 175