<ul><li>Fixed <code>index.php</code> lines 13 and 54: <code>$_SESSION[super_admin]</code> undefined array key — added <code>?? 0</code> null coalescing on both super_admin checks</li><li>Fixed <code>domain.controller.php</code> line 795: PHP 8 deprecation — <code>cloudflare_request($r=null,$p,$totalpages)</code> had optional param before required params; removed <code>=null</code> default since all callers already pass $r explicitly and the param is unused inside the function body</li><li>Fixed <code>checkpoint.php</code>: removed stray extra <code>&lt;/div&gt;</code> after closing row div that broke page layout structure</li><li>Fixed <code>custom_js.php</code>: added <code>destroy:true</code> to both DataTable initializations in <code>displayCertificates()</code> and <code>displayDnsTable()</code> — prevents cannot-reinitialise error when DNS/cert tables are reloaded after first render</li></ul>