Warning: Undefined variable $arc_con in /home/njesson/public_html/iarccum/author_sitemap.php on line 21
Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/njesson/public_html/iarccum/author_sitemap.php:21
Stack trace:
#0 /home/njesson/public_html/iarccum/author_sitemap.php(21): mysqli_query()
#1 {main}
thrown in /home/njesson/public_html/iarccum/author_sitemap.php on line 21