Fix errorlog

src/de/steamwar/misslewars/items/CustomItem.java

@@ -72,7 +72,7 @@ public class CustomItem extends SpecialItem {
                 new CustomItem(new ScriptedItem(jsonObject));
             } catch (JsonSyntaxException | IOException e) {
                 e.printStackTrace();
-                throw new SecurityException("Item JSON error", e);
+                throw new SecurityException("Item JSON error " + itemFile, e);
             }
         }
     }