Error: Could not find a part of the path 'C:\Program Files\Blackbaud\bbappfx\vroot\bin\Custom\'. -    at Microsoft.VisualBasic.CompilerServices.Symbols.Container.InvokeMethod(Method TargetProcedure, Object[] Arguments, Boolean[] CopyBack, BindingFlags Flags)
   at Microsoft.VisualBasic.CompilerServices.NewLateBinding.CallMethod(Container BaseReference, String MethodName, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack, BindingFlags InvocationFlags, Boolean ReportErrors, ResolutionFailure& Failure)
   at Microsoft.VisualBasic.CompilerServices.NewLateBinding.ObjectLateCall(Object Instance, Type Type, String MemberName, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack, Boolean IgnoreReturn)
   at Microsoft.VisualBasic.CompilerServices.NewLateBinding.LateCall(Object Instance, Type Type, String MemberName, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack, Boolean IgnoreReturn)
   at Blackbaud.NetCommunity.EA7DataSources.DataSourcePersonEEFetch.GetResultsPage(Int32 pageNumber, Int32& numberRecordsFetched)
   at Blackbaud.Web.Content.Core.EmailJob.ProcessQuery2(BBQueryType oQuery, String sSourceKey, EmailList oList)
   at Blackbaud.Web.Content.Core.EmailJob.ProcessList(Int32 iListID)
   at Blackbaud.Web.Content.Core.EmailJob.ProcessAddressees()
   at Blackbaud.Web.Content.Core.EmailJob.DoProcessMailBlast()
   at Blackbaud.Web.Content.Core.EmailJob.ProcessMailBlast()
   at Blackbaud.AppFx.ContentManagement.Platform.Email.Catalog.LegacyListProcessorWrapper.BuildAndLoadDataTable()
   at Blackbaud.AppFx.ContentManagement.Platform.Email.Catalog.LegacyListProcessorWrapper.PrepareForProcessing()
   at Blackbaud.AppFx.ContentManagement.Platform.Email.Catalog.LegacyDataProcessor.BuildSelectionSQL()
   at Blackbaud.AppFx.ContentManagement.Platform.Email.Catalog.LegacyDataProcessor.BuildRecipientsSelectionSQL()
   at Blackbaud.AppFx.ContentManagement.Platform.Email.Catalog.EmailProcessor.ProcessEmail()