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Compiler Error CS0710

Static classes cannot have instance constructors

A static class cannot be instantiated, hence it has no need for constructors. To avoid this error, remove any constructors from static classes, or if you really want to construct instances, make the class non-static.

The following sample generates CS0710:

// CS0710.cs
public static class C
{
   public C()  // CS0710
   {
   }

   public static void Main()
   {
   }
}