Fix wrong exception being logged on BlueMapAPI-listener error

Author: TBlueF

BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/BlueMapAPIImpl.java

@@ -168,15 +168,15 @@ public void register() {
         try {
             BlueMapAPI.registerInstance(this);
         } catch (Exception ex) {
-            Logger.global.logError("BlueMapAPI: A BlueMapAPI listener threw an exception (onEnable)!", ex.getCause());
+            Logger.global.logError("BlueMapAPI: A BlueMapAPI listener threw an exception (onEnable)!", ex);
         }
     }
 
     public void unregister() {
         try {
             BlueMapAPI.unregisterInstance(this);
         } catch (Exception ex) {
-            Logger.global.logError("BlueMapAPI: A BlueMapAPI listener threw an exception (onDisable)!", ex.getCause());
+            Logger.global.logError("BlueMapAPI: A BlueMapAPI listener threw an exception (onDisable)!", ex);
         }
     }