From 21aa78791d10fc95bbd442a2f4254244087c3e26 Mon Sep 17 00:00:00 2001
From: Andrii <124053072+levice1@users.noreply.github.com>
Date: Tue, 1 Oct 2024 15:04:17 +0200
Subject: [PATCH] Fix ConcurrentModificationError in channel_impl.dart

Fix error : [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: type 'ConcurrentModificationError' is not a subtype of type 'Exception'
---
 lib/src/client/impl/channel_impl.dart | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/src/client/impl/channel_impl.dart b/lib/src/client/impl/channel_impl.dart
index bdfe944..6532467 100644
--- a/lib/src/client/impl/channel_impl.dart
+++ b/lib/src/client/impl/channel_impl.dart
@@ -701,7 +701,8 @@ class _ChannelImpl implements Channel {
     }
 
     // Multi Ack/Nack; messages up to seqNo
-    for (var pendingSeqNo in _pendingDeliveries.keys) {
+    var pdkeys = _pendingDeliveries.keys.toList();
+    for (var pendingSeqNo in pdkeys) {
       if (pendingSeqNo > seqNo) {
         // only interested in keys up to pendingSeqNo
         break;