Don't open chat if ingameGui is null

Author: LeafHacker

CHANGELOG.md

@@ -8,6 +8,7 @@
 - Made MotionUpdateEvent cancellable
 - Made UpdateEvent cancellable
 ### Fixed
+- CommandHandler opening chat when the ingameGui is null
 - Fixed left click events not firing
 - Fixed CDK ClientAPI dependency not deobfuscating srg names
 - Fixed CDK version having quotes by default

src/main/java/clientapi/command/handler/CommandHandler.java

@@ -91,7 +91,7 @@ public CommandHandler(Manager<Command> commandManager) {
     @EventHandler
     private final Listener<KeyEvent> keyEventListener = new Listener<>(event -> {
         // Check if opening chat with the prefix is supported
-        if (!openChat || prefix == null)
+        if (!openChat || prefix == null || mc.ingameGUI == null)
             return;
 
         // Ensure the prefix is a single character