Monodevelop 4.2. Exited with code 1

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Hi guys I'm trying out Mono-D with Monodevelop 4.2 and the 
compiler seems to build ok but the debugger says Error 1.

Here is the sample Hello world code
------------------------------------------
import std.stdio;

void main()
{
	writeln("Hello World!");
}
--------------------------------------------

When I do Ctrl+F5, it says "Exited with code 1" after the debug 
process and doesn't run the program in the terminal.

I'm using the latest DMD

Thank you for your attention.

BD