Version 5.0.0 beta 10

system/Theme/Editor/Category.php

@@ -399,7 +399,7 @@ class Category extends Model
 			$return['cat_app'] = $values['themeeditor_cat_app']->directory;
 		}
 
-		Lang::saveCustom( 'core', static::$titleLangPrefix . $this->key, $values['themeeditor_cat_name'] );
+		Lang::saveCustom( 'core', static::$titleLangPrefix . $values['themeeditor_cat_key'], $values['themeeditor_cat_name'] );
 
 		return $return;
 	}
@@ -527,4 +527,15 @@ class Category extends Model
 		}
 		return $return;
 	}
+
+	/**
+	 * [ActiveRecord] Delete Record
+	 *
+	 * @return    void
+	 */
+	public function delete(): void
+	{
+		parent::delete();
+		Lang::deleteCustom( 'core', static::$titleLangPrefix . $this->key );
+	}
 }