An error occured while attaching module (Dynamicweb.Frontend.Content)

System.ServiceModel.FaultException: The network path was not found

Server stack trace: 
   at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc)
   at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
   at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]: 
   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   at NemlejeV2.Data.EGService.IService19716.RegionGetList()
   at NemlejeV2.Data.EGService.Service19716Client.RegionGetList() in C:\Projects\Dynamicweb\StandardModules\NemlejeV2\Source\NemlejeV2.Data\NemlejeV2.Data\Service References\EGService\Reference.cs:line 23131
   at NemlejeV2.Data.DataAccess.RegionDB.GetAllRegions() in C:\Projects\Dynamicweb\StandardModules\NemlejeV2\Source\NemlejeV2.Data\NemlejeV2.Data\DataAccess\RegionDB.cs:line 29
   at NemlejeV2.Data.DataAccess.RegionDB.GetAllRegionsJSON() in C:\Projects\Dynamicweb\StandardModules\NemlejeV2\Source\NemlejeV2.Data\NemlejeV2.Data\DataAccess\RegionDB.cs:line 43
   at NemlejeV2Dynamicweb.CustomModules.NemlejeV2.NemlejeV2.GetContent() in C:\Projects\dynamicweb\StandardModules\NemlejeV2\Source\NemlejeV2Dynamicweb\NemlejeV2Dynamicweb\CustomModules\NemlejeV2\NemlejeV2.cs:line 101
   at Dynamicweb.Frontend.Content.GetModule(DataRow& ParagraphRow)