converting 8/17/2003 to boost::gregorian::date

converting 8/17/2003 to boost::gregorian::date

I am attempting to convert 8/17/2003 to boot::gregorian::date using the
following code
std::string test = "08/17/2013";
date d(from_simple_string(test));
However I get an unhandled exception any suggestion on how to accomplish
this ?