Hello, could some please hint me on my mistake? 
I want to get a string array as return of a function. It does not compile with the error "line(0). no matching constructor" (I translated that error into english). But the other 2 functions for comparison work. If I comment the line below //(3), it compiles.
#include <Origin.h>
int test(){
	int bla=10;
	return bla;	
}
string test_string(){
	string testname = "blub";
	return testname;
}
vector<string> test_vectorstring(){
	vector<string> testvec = {
		"blub",
		"hello",
		"grrrrrr"
	};
	return testvec;
}
int getColIndex()
{
        //(1)
	int testint = test();
        //(2)	
	string testname = test_string();	
	
        //(3)
	vector<string> testvec = test_vectorstring();
	return 0;
}