Unhandled exception rendering component: Image with invalid assemblyref token 0000000f.
System.BadImageFormatException: Image with invalid assemblyref token 0000000f.
@lambdageek was able to reproduce using the mono/sample/mbr/console sample with this using these changes in TestClass.cs:
string s = "OLD STRING";
Console.WriteLine ("L = {0}", s.Skip(1).FirstOrDefault());
string s = "NEW STRING";
Console.WriteLine ("W = {0}", s.Skip(2).FirstOrDefault());