@@ -264,7 +264,7 @@ else {

 		$storyquery = dbquery("SELECT s.title, s.uid, s.rid, s.sid, s.coauthors FROM ".TABLEPREFIX."fanfiction_stories as s WHERE s.sid = '$item' LIMIT 1");

 		$story = dbassoc($storyquery);

 		$title = title_link($story);

-		$authoruid = $story['uid'];

+		$authoruid = ($story['uid']) ?? null;

 		$array_coauthors = array();

 		if(!empty($story['coauthors'])) {

 			$colist = dbquery("SELECT uid FROM ".TABLEPREFIX."fanfiction_coauthors WHERE sid = '$item'");

@@ -346,11 +346,11 @@ else {

 		}

 		$jumpmenu = "<form name=\"jump\" action=\"\">";

 		$jumpmenu .= "<select name=\"sid\" onChange=\"window.location=this.options[this.selectedIndex].value\">";

-		$jumpmenu .= "<option value=\"reviews.php?type=ST&amp;item=".$story['sid'].(isset($_GET['unresponded']) ? "&amp;unresponded=1" : "")."\"";

+		$jumpmenu .= "<option value=\"reviews.php?type=ST&amp;item=".(($story['sid']) ?? null).(isset($_GET['unresponded']) ? "&amp;unresponded=1" : "")."\"";

 		if(!isset($chapid))

 			$jumpmenu .= " selected";

 		$jumpmenu .= ">"._VIEWALLREVIEWS."</option>";

-		$chapquery = dbquery("SELECT inorder, title, chapid, sid FROM ".TABLEPREFIX."fanfiction_chapters WHERE sid = '".$story['sid']."' ORDER BY inorder ASC");

+		$chapquery = dbquery("SELECT inorder, title, chapid, sid FROM ".TABLEPREFIX."fanfiction_chapters WHERE sid = '".(($story['sid']) ?? null)."' ORDER BY inorder ASC");

 		while($chapters = dbassoc($chapquery)) {

 			$jumpmenu .= "<option value=\"reviews.php?chapid=".$chapters['chapid'].(isset($_GET['unresponded']) ? "&amp;unresponded=1" : "")."&amp;type=ST&amp;item=$item\"";