fix fatal error, fixes #25

controllers/article.php

@@ -9,6 +9,12 @@ class ArticleController extends SchwarzesBrettController
         }
 
         $this->article = SBArticle::find($id);
+        if (!$this->article) {
+            $this->set_status(404);
+            $this->render_nothing();
+            return;
+        }
+
         $this->article->visit();
 
         PageLayout::setTitle($this->article->titel . ' (' . $this->article->category->titel . ')');

plugin.manifest

@@ -2,6 +2,6 @@ pluginname=SchwarzesBrettPlugin
 pluginclassname=SchwarzesBrettPlugin
 pluginclassname=SchwarzesBrettWidget
 origin=IBIT
-version=3.10.2
+version=3.10.3
 studipMinVersion=3.3
 description=Globales Schwarzes Brett fr Kleinanzeigen mit Kategorien (Gesuche/Angebote)