diff --git a/index.php b/index.php
index 4632878..d708292 100644
--- a/index.php
+++ b/index.php
@@ -576,7 +576,8 @@ HTML;
 			if ( isset( $message["published"] ) ) {
 				$published = $message["published"];
 			} else {
-				$published_hexstamp = end( explode( "/", explode( "-", $message_file)[0] ) ) ;
+				$segments = explode("/", explode("-", $inbox_file ?? "")[0]);
+				$published_hexstamp = end($segments);
 				$published_time = hexdec( $published_hexstamp );
 				$published = date( "c", $published_time );
 
@@ -596,10 +597,8 @@ HTML;
 		foreach ( $messages_ordered as $published=>$message ) {
 			
 			//	Set up the common components
-			$object = $message["object"];
+			$object = $message["object"] ?? [];
 
-			//	Get the message's ID.
-			//	Set up the HTML representation
 			if ( isset( $message["object"]["id"] ) ) {
 				$id = $message["object"]["id"];
 				$publishedHTML  = "<a href=\"{$id}\">{$published}</a>";
@@ -625,10 +624,9 @@ HTML;
 				$actor = "https://example.com/anonymous";
 			}
 			//	Assume that what comes after the final `/` in the URl is the name
-			$actorName     = end( explode( "/", $actor ) );
+			$actorArray = explode( "/", $actor );
+			$actorName = end( $actorArray );
 			$actorServer   = parse_url( $actor, PHP_URL_HOST );
-			$actorUsername = "@{$actorName}@{$actorServer}";
-			
 			//	Make i18n usernames readable and safe.
 			$actorName = htmlspecialchars( rawurldecode( $actorName ) );
 			$actorHTML = "<a href=\"$actor\">@{$actorName}</a>";