Make LinkageUtils better with Error handling

BauSystem_Main/src/de/steamwar/bausystem/linkage/LinkageUtils.java

@@ -29,6 +29,7 @@ import java.io.InputStreamReader;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import java.util.*;
+import java.util.logging.Level;
 
 @UtilityClass
 public class LinkageUtils {
@@ -53,7 +54,7 @@ public class LinkageUtils {
                 } catch (ClassNotFoundException e) {
                     // ignored
                 } catch (Exception e) {
-                    e.printStackTrace();
+                    Bukkit.getLogger().log(Level.WARNING, e.getMessage(), e);
                 }
             });
         } catch (IOException e) {