std.array.split - Template instantiating error

[nrgyzer via Digitalmars-d-learn]

Hi,

I've the following source:
import std.array : split;
import std.stdio : writeln;

void main()
{
   string myString = "Hello World";
   string[] splitted = myString.split(" ");
}

But when I compile the code above, I'm getting the following 
error:

Error: template instance std.array.split!(string, string) error 
instantiating.

I'm using the latest version of dmd (2.067.0), but I cannot 
figure out what I'm doing wrong :(. How to solve the problem?

Thanks in advance!