Minor Error Catching Modifications

commands/numedit/math.js

@@ -30,7 +30,7 @@ module.exports = class MathCommand extends Command {
         const expression = args.expression;
         try {
             const solved = math.eval(expression);
-            return message.say(solved).catch(err => message.say(':x: Error! Invalid statement!'));
+            return message.say(solved).catch(() => message.say(':x: Error! Invalid statement!'));
         }
         catch (err) {
             return message.say(':x: Error! Invalid statement!');

commands/textedit/cowsay.js

@@ -26,6 +26,6 @@ module.exports = class CowsayCommand extends Command {
             text: turnToCowsay,
             e: 'oO',
             T: 'U '
-        })).catch(error => message.say(':x: Error! Perhaps the content is too long?'));
+        })).catch(() => message.say(':x: Error! Perhaps the content is too long?'));
     }
 };