Notice: Undefined variable: shortname in D:\Websites\PublicWebsite\htdocs\amp-lab.php on line 8

Fatal error: Uncaught ArgumentCountError: Too few arguments to function title_only(), 4 passed in D:\Websites\PublicWebsite\htdocs\amp-lab.php on line 8 and exactly 7 expected in D:\Websites\PublicWebsite\htdocs\includes\functions.php:1579 Stack trace: #0 D:\Websites\PublicWebsite\htdocs\amp-lab.php(8): title_only() #1 {main} thrown in D:\Websites\PublicWebsite\htdocs\includes\functions.php on line 1579