Node: Properly through channel count exception in audio thread to pre…

…vent crashing Jupyter

source/src/node/node.cpp

@@ -214,7 +214,8 @@ void Node::update_channels()
             NodeRef input_node = *ptr;
             if (input_node->get_num_output_channels() > this->num_input_channels)
             {
-                throw invalid_channel_count_exception("Node " + input_node->get_name() + " has more output channels than " + this->name + " supports (" + std::to_string(input_node->get_num_output_channels()) + " > " + std::to_string(this->num_input_channels) + "). Either downmix with ChannelMixer, or select the intended channels with ChannelSelect.");
+                std::string message = "Node " + input_node->get_name() + " has more output channels than " + this->name + " supports (" + std::to_string(input_node->get_num_output_channels()) + " > " + std::to_string(this->num_input_channels) + "). Either downmix with ChannelMixer, or select the intended channels with ChannelSelect.";
+                signalflow_audio_thread_error(message);
             }
         }
     }