The exception that is thrown when a segment directory is missing from the pipeline directory structure.
Assembly: System.AddIn (in System.AddIn.dll)
When an add-in is activated, its pipeline to the host is constructed. The add-in system requires that pipeline segments be placed in a specified directory structure with specified directory names, as described in Pipeline Development Requirements.
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.