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

String.Format(“{0}{1}{3}”, “C”,in_index,input1)

This code was in the message box and it is invalid because “{3}”, this is a correct way:

String.Format(“{0}{1}{2}”, “C”,in_index,input1)

Hi @Ashley_Simayile

What is your question?

This is not a question, it’s a solution to a bug I was struggling to find