From 108fc362c0af5887b8ded6e22b944c7cb6eb1de7 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Fri, 17 Nov 2017 10:15:14 +1100
Subject: [PATCH] CraftMetaFirework: AssertionError -> IllegalArgumentException

---
 .../org/bukkit/craftbukkit/inventory/CraftMetaFirework.java   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaFirework.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaFirework.java
index 8a668e9e1b..682c2287de 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaFirework.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaFirework.java
@@ -154,7 +154,7 @@ class CraftMetaFirework extends CraftMetaItem implements FireworkMeta {
             case BURST:
                 return 4;
             default:
-                throw new AssertionError(type);
+                throw new IllegalArgumentException("Unknown effect type " + type);
         }
     }
 
@@ -171,7 +171,7 @@ class CraftMetaFirework extends CraftMetaItem implements FireworkMeta {
             case 4:
                 return Type.BURST;
             default:
-                throw new AssertionError(nbt);
+                throw new IllegalArgumentException("Unknown effect type " + nbt);
         }
     }