plugin/src/main/java/com/lishid/openinv/listeners/PlayerListener.java

@@ -54,6 +54,12 @@ public class PlayerListener implements Listener {
 
     @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
     public void onPlayerInteract(PlayerInteractEvent event) {
+
+        // Do not cancel 3rd party plugins' custom events
+        if (!PlayerInteractEvent.class.equals(event.getClass())) {
+            return;
+        }
+
         if (event.getAction() != Action.RIGHT_CLICK_BLOCK || event.getPlayer().isSneaking()
                 || event.useInteractedBlock() == Result.DENY || event.getClickedBlock() == null
                 || !plugin.getAnySilentContainer().isAnySilentContainer(event.getClickedBlock())) {