From e784fe7fca7bcafbd7e31bae8e14c0d81d80039e Mon Sep 17 00:00:00 2001
From: sky <sky@asgard.me>
Date: Thu, 16 Apr 2020 18:07:41 +0800
Subject: [PATCH] Fix

---
 src/main/scala/io/izzel/taboolib/module/hologram/Hologram.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/scala/io/izzel/taboolib/module/hologram/Hologram.java b/src/main/scala/io/izzel/taboolib/module/hologram/Hologram.java
index 0d76afe..23c7d3d 100644
--- a/src/main/scala/io/izzel/taboolib/module/hologram/Hologram.java
+++ b/src/main/scala/io/izzel/taboolib/module/hologram/Hologram.java
@@ -200,6 +200,9 @@ public class Hologram {
             return this;
         }
         HologramViewer viewer = getViewer(player);
+        if (viewer == null) {
+            return this;
+        }
         viewers.remove(viewer);
         destroy(viewer);
         if (viewers.isEmpty()) {