Hi !!.

this is the issue, i use "version utility"  when i try to make an upgrade to the version of infragistics 10.3 to 11.1 for my solution project, i get an error log, like this:

04:59:44: Gathering volume and assembly information.
04:59:47: Analyzing Xignux.SIT.Reportes.DAL.csproj...
04:59:47: Nothing for us to upgrade.
04:59:47: Analyzing Xignux.SIT.Reportes.UI.csproj...
04:59:47: The following project needs to have its references updated:
04:59:47: Analyzing Xignux.SIT.Reportes.BL.csproj...
04:59:47: The following project needs to have its references updated:
04:59:47: The project file C:\Users\sitdeveloper1\Documents\Visual Studio 2008\Projects\SIT.2011.root\Xignux.SIT.Reportes\Xignux.SIT.Reportes.SetupReportes\Xignux.SIT.Web.SetupReportes.vdproj doesn't appear to be in Xml or is malformed.
04:59:47: Analyzing Xignux.SIT.Reportes.DB.csproj...
04:59:47: Nothing for us to upgrade.
04:59:56: Analyzing Xignux.SIT.Reportes.DAL.csproj...
04:59:56: Nothing for us to upgrade.
04:59:56: Analyzing Xignux.SIT.Reportes.UI.csproj...
04:59:56: The following project needs to have its references updated:
04:59:56: Analyzing Xignux.SIT.Reportes.BL.csproj...
04:59:56: The following project needs to have its references updated:
04:59:56: The project file C:\Users\sitdeveloper1\Documents\Visual Studio 2008\Projects\SIT.2011.root\Xignux.SIT.Reportes\Xignux.SIT.Reportes.SetupReportes\Xignux.SIT.Web.SetupReportes.vdproj doesn't appear to be in Xml or is malformed.
04:59:56: Analyzing Xignux.SIT.Reportes.DB.csproj...
04:59:56: Nothing for us to upgrade.
04:59:56: Gathering volume and assembly information.
04:59:59: Analyzing Xignux.SIT.Reportes.DAL.csproj...
04:59:59: Nothing for us to upgrade.
04:59:59: Analyzing Xignux.SIT.Reportes.UI.csproj...
04:59:59: The following project needs to have its references updated:
04:59:59: Analyzing Xignux.SIT.Reportes.BL.csproj...
04:59:59: The following project needs to have its references updated:
04:59:59: The project file C:\Users\sitdeveloper1\Documents\Visual Studio 2008\Projects\SIT.2011.root\Xignux.SIT.Reportes\Xignux.SIT.Reportes.SetupReportes\Xignux.SIT.Web.SetupReportes.vdproj doesn't appear to be in Xml or is malformed.
04:59:59: Analyzing Xignux.SIT.Reportes.DB.csproj...
04:59:59: Nothing for us to upgrade.
05:00:01: Upgrading Solution Xignux.SIT.Reportes.sln
05:00:01: C:\Users\sitdeveloper1\Documents\Visual Studio 2008\Projects\SIT.2011.root\Xignux.SIT.Reportes\Xignux.SIT.Reportes.UI\Web.config has been backed up.
05:00:01: Replacement for Infragistics35.Web.v10.3 is Infragistics35.Web.v11.1.
05:00:01: No matching assembly located in available assemblies Infragistics35.WebUI.Documents.v10.3
05:00:01:    at Infragistics.VersionUtilitySupport.Core.ProductAssemblies.AssemblyList.FindNewAssemblyNode(String assemblyName)
   at Infragistics.VersionUtilitySupport.Core.File.Types.WebConfigFile.FixAssembly(XmlNode n)
   at Infragistics.VersionUtilitySupport.Core.File.Types.WebConfigFile.Upgrade(String rootDirectory)
   at Infragistics.VersionUtilitySupport.Core.File.Types.FileBasewithWebConfig.Upgrade(String rootDirectory)

dont know what happen here, i just have 4 project in this solution, and the only proyect with assemblies is the project  UI,  someone know how to fix this?.. thx in advance!!

Regards

Alfredo Melo xD