System.FormatException: Index (zero based) must be greater than or equal to zero and less than the size of the argument list

static void Main(string[] args)
{
StringBuilder sb = new StringBuilder();
string test = "124454664{0}89jnhb";
string formattedMessage = string.Format(test, args);

}

StringBuilder sb = new StringBuilder();
string test = "124454664{0}89jnhb";
test = test.Replace("{", "[").Replace("}", "]");
string formattedMessage = string.Format(test, args);