Preamble header issues

[Rich Shepard]

On Fri, 8 Oct 2021, Paul A. Rubin wrote:

> Your last \usepackage has an opening parenthesis that should be an opening
> brace.

Paul,

Ah, they are difficult to distinguish with the light typeface stroke on a
white background. It was the \usepackage{scrlayer-scrpage}; fixing that did
not resolve the problem of pdflatex not finding that .sty file.

Thanks,

Rich