Fix that

commands/random/spam.js

@@ -11,6 +11,9 @@ module.exports = class SpamCommand extends Command {
     }
 
     run(msg) {
+        if (msg.channel.type !== 'dm')
+            if (!msg.channel.permissionsFor(this.client.user).has('ATTACH_FILES'))
+                return msg.say('This Command requires the `Attach Files` Permission.');
         return msg.channel.send({ files: ['https://i.imgur.com/2JFu5xE.jpg'] })
             .catch(err => msg.say(err));
     }