Glib error



I have:

list<Glib::ustring> string_Fish_name;
Gtk::Combo combo_Fish_name;
DB fish_info; //class-interface for DB
//if Connection OK
if (fish_info.DB_Connect("") == -1)
{
	// if query OK
	if (fish_info.DB_SQL_Query("SELECT fish_name FROM t_fish") == -1)
	{
		//if count(row) > 0
		if (fish_info.DB_Result_n() > 0)
		{
			//getting result
			string_Fish_name = fish_info.DB_Result_values(0);
		}
	}
}

combo_Fish_name.set_popdown_strings(string_Fish_name);

ERROR: Glib-ERROR **::gmem.c:174:faild allocate 16 bytes

Sometimes crach after widget.show();
Sometimes after 5-10 seconds.

When I use:
string_Fish_name.push_back("fish one");
string_Fish_name.push_back("fish two");
no prolems.

Problems were only after using access to DB

How to solve?
Please help.
Any questions? - I answer.

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