diff --git a/src/main/java/me/ryanhamshire/GriefPrevention/EntityEventHandler.java b/src/main/java/me/ryanhamshire/GriefPrevention/EntityEventHandler.java
index 2bc46e6..157cab0 100644
--- a/src/main/java/me/ryanhamshire/GriefPrevention/EntityEventHandler.java
+++ b/src/main/java/me/ryanhamshire/GriefPrevention/EntityEventHandler.java
@@ -1236,9 +1236,16 @@ public class EntityEventHandler implements Listener
                             if (damageSource != null && damageSource.getType() == EntityType.FIREWORK && event.getEntity().getType() != EntityType.PLAYER)
                                 return;
 
-                            if (sendErrorMessagesToPlayers && !(event.getEntity() instanceof MyPetBukkitEntity)) // don't send the error message if it's a mypet
-                            {
-                                GriefPrevention.sendMessage(attacker, TextMode.Err, noContainersReason.get());
+                            try {
+                                if (sendErrorMessagesToPlayers && !(event.getEntity() instanceof MyPetBukkitEntity)) // don't send the error message if it's a mypet
+                                    {
+                                        GriefPrevention.sendMessage(attacker, TextMode.Err, noContainersReason.get());
+                                    }
+                            } catch (NoClassDefFoundError ex) {
+                                if (sendErrorMessagesToPlayers) // don't send the error message if it's a mypet
+                                    {
+                                        GriefPrevention.sendMessage(attacker, TextMode.Err, noContainersReason.get());
+                                    }
                             }
                             event.setCancelled(true);
                         }