Error log and stack trace:

Started a transacted install
Copied extension_edit.gif
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Copied SaveAsGlobalFunction.aspx
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Copied blank.htm
Copied ExtensionData.aspx
Copied ExtensionNewPage.aspx
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Copied Install Composer.metadata
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An error has occured and the transaction will be rolled back
Rolledback

An unhandled error has occured:
The application relative virtual path '~/upload/' cannot be made absolute, beca
use the path to the application is not known.
When executing


At C:\Program Files\EPiServer\CMS\5.2.375.236\Install\Modules\Extension 3.2\Ins
tall Composer.ps1:123 char:20
+ 		Add-EPiServerData  <<<< $episerverDataFile $selectedWebApplication.Physical
Path $selectedWebApplication.ApplicationName

False
=
Get-EPiIsBulkInstalling
Error - System.Management.Automation.CmdletInvocationException: The application relative virtual path '~/upload/' cannot be made absolute, because the path to the application is not known. ---> System.Web.HttpException: The application relative virtual path '~/upload/' cannot be made absolute, because the path to the application is not known.
   at System.Web.VirtualPath.get_VirtualPathString()
   at System.Web.VirtualPathUtility.ToAbsolute(String virtualPath)
   at EPiServer.Web.Hosting.VirtualPathPageMappingProvider..ctor(String name, NameValueCollection configParameters)   at EPiServer.Install.InstallationManager.Install(Installer installer)
   at EPiServer.Install.CMS.Modules.ModulesInstallationManager.ImportData(InstallationManager installationManager, String destinationDirectory, String virtualDirectory, String importSource, DatabaseDestination destination, Boolean updateStartPageAttribute)
   at EPiServer.Install.CMS.Modules.CmdLets.AddEPiServerData.ProcessRecord()
   at System.Management.Automation.Cmdlet.DoProcessRecord()
   at System.Management.Automation.CommandProcessor.ProcessRecord()
   --- End of inner exception stack trace ---
   at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input, Hashtable errorResults, Boolean enumerate)
   at System.Management.Automation.Parser.PipelineNode.Execute(Array input, Pipe outputPipe, ArrayList& resultList)
   at System.Management.Automation.Parser.StatementListNode.Execute(Array input, Pipe outputPipe, ArrayList& resultList)