Add error handling for getDMChannel

src/index.js

@@ -183,10 +183,15 @@ if(config.typingProxy || config.typingProxyReverse) {
     else if(config.typingProxyReverse && (channel instanceof Eris.GuildChannel) && ! user.bot) {
       thread = await threads.getByChannelId(channel.id);
       if (! thread) return;
+      try {
         let dm;
         dm = await bot.getDMChannel(thread.userId);
         bot.sendChannelTyping(dm.id);
       }
+      catch(error) {
+        console.log("An error occured when trying to type in DM.");
+      }
+    }
   });
 }