The connection type "DevartSqlServer" specified for connection manager is not recognized as a valid connection manager type. 

This error is returned when an attempt is made to create a connection manager for an unknown connection type. Check the spelling in the connection type name.

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Program Location:

   at Microsoft.SqlServer.Dts.Runtime.Connections.Add(IDTSConnections100 connections, String connectionType)

   at Microsoft.DataTransformationServices.Design.DtsConnectionService.AddDtsConnectionToPackage(String suggestedName, String connectionType)

   at Microsoft.DataTransformationServices.Design.DtsConnectionService.CreateConnection(String connectionType, ConnectionManagerUIArgs connectionUIArg)