Item is not of type 'File'.
I have verified the existence of the file, and the path is in UNC format, so I am wondering if the server needs physical access to the file for verification.
at Aras.IOM.Item.CheckThatTypeOfItemIsFile() in d:\Builds\Innovator.Builds\6296-Innovator-RELS11-0-SP5\Innovator\CompilableCode\IOM.NET\Item.common.cs:line 5359
at Aras.IOM.Item.attachPhysicalFileInternal(String filePath, String vaultServerId) in d:\Builds\Innovator.Builds\6296-Innovator-RELS11-0-SP5\Innovator\CompilableCode\IOM.NET\Item.common.cs:line 5234
at Aras.IOM.Item.attachPhysicalFile(String filePath) in d:\Builds\Innovator.Builds\6296-Innovator-RELS11-0-SP5\Innovator\CompilableCode\IOM.NET\Item.common.cs:line 5173
at ARASImport.frmImportPLM.UploadPartDocuments(Item part) in c:\code\frmImportPLM.cs:line 1504