hide non allowed channel warning messages

commands/invoice.js

@@ -65,7 +65,7 @@ module.exports = {
     */
     run: async (client, interaction, args, { GuildDB }) => {
       if (GuildDB.customChannelStatus && !GuildDB.allowedChannels.includes(interaction.channel_id)) {
-        return interaction.send(`You are not allowed to use the bot in this channel.`);
+        return interaction.send({ content: `You are not allowed to use the bot in this channel.`,  flags: (1 << 6) });
       }
       
       if (args[0].name == 'list') {