the value assign to variable 'ncut' might be unused?

while implementing the above code, getting error at line [Ncut] = Untitlederror4(I,pad,MAXVAL); error is the value assigned to variable might be unsed?

Answer 1

[Walter Roberson]

That is a warning, not an error.

You assign to Ncut later in the file, but you do not use the value you set on that line.