private static void CheckForDuplicateAssemblyProblems(AddInToken pipeline, Exception inner)
{
Collection <String> warnings = new Collection <String>();
bool duplicates = pipeline.HasDuplicatedAssemblies(null, warnings);
if (duplicates)
{
String[] s = new String[warnings.Count];
warnings.CopyTo(s, 0);
throw new InvalidOperationException(String.Join("\n", s), inner);
}
}
