Hotfix cancelling unsigned 1.20.6 commands

TISUnion · May 3, 2024 · 1228f14 · 1228f14
1 parent 368d1a7
commit 1228f14
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...in/java/com/velocitypowered/proxy/protocol/packet/chat/session/SessionCommandHandler.java b/...in/java/com/velocitypowered/proxy/protocol/packet/chat/session/SessionCommandHandler.java
@@ -55,7 +55,7 @@ public void handlePlayerCommandInternal(SessionPlayerCommandPacket packet) {
                   + "Contact your network administrator."));
         }
         // We seemingly can't actually do this if signed args exist, if not, we can probs keep stuff happy
-        if (player.getProtocolVersion().noLessThan(ProtocolVersion.MINECRAFT_1_19_3)) {
+        if (player.getProtocolVersion().noLessThan(ProtocolVersion.MINECRAFT_1_19_3) && packet.lastSeenMessages != null) {
           return CompletableFuture.completedFuture(new ChatAcknowledgementPacket(packet.lastSeenMessages.getOffset()));
         }
         return CompletableFuture.completedFuture(null);