Within VS 2015 I got the following error in a UWP project and didn't find the error message that helpful:
Cannot find type System.ComponentModel.TypeConverter in module System.dll
In the error window displayed this:
The output window showed this:
C:\Program Files (x86)\MSBuild\Microsoft\WindowsXaml\v14.0\8.2\Microsoft.Windows.UI.Xaml.Common.targets(352,5): Xaml Internal Error error WMC9999: Cannot find type System.ComponentModel.TypeConverter in module System.dll.
The actual error was caused by a rogue reference in the project references to System.Configuration:
Once this was removed I was on my way, hopefully this might help others with a similar issue.