<ul><li>options/categories.php line 93: Fixed $_SESSION[activesiteacctid] unguarded — added ?? ACTVACCTID (fix was lost in prior backup restoration)</li><li>page/rfq_marketplace.php line 33: Fixed explode() on null — $roles_access[roles] ?? "" prevents Deprecated warning when no settings record exists</li><li>page/information.php line 112: Fixed json_decode(null) — $contdata[img_urls] ?? "[]" with outer ?? [] prevents Deprecated + TypeError</li><li>page/information.php lines 188/191/194/292/297/300/305/308/311: Fixed htmlspecialchars_decode(null) — added ?? "" on all section1/section2/section3 usages (9 occurrences)</li><li>page=27 QuoteRequestManager now renders with 0 PHP errors, 0 JS errors — all tabs verified clean</li></ul>