Fix

commands/edit-text/mocking.js

@@ -22,7 +22,7 @@ module.exports = class MockingCommand extends Command {
 	}
 
 	run(msg, { text }) {
-		const canEmoji = msg.channel.type === 'text'
+		const canEmoji = msg.guild
 			? msg.channel.permissionsFor(this.client.user).has('USE_EXTERNAL_EMOJIS')
 			: true;
 		const letters = text.split('');

commands/edit-text/say.js

@@ -20,7 +20,7 @@ module.exports = class SayCommand extends Command {
 
 	async run(msg, { text }) {
 		try {
-			if (msg.channel.type === 'text' && msg.deletable) await msg.delete();
+			if (msg.guild && msg.deletable) await msg.delete();
 			return msg.say(text);
 		} catch {
 			return msg.say(text);

commands/edit-text/webhook.js

@@ -23,7 +23,7 @@ module.exports = class WebhookCommand extends Command {
 
 	async run(msg, { content }) {
 		try {
-			if (msg.channel.type === 'text' && msg.deletable) await msg.delete();
+			if (msg.guild && msg.deletable) await msg.delete();
 			await this.client.webhook.send(content);
 			return null;
 		} catch (err) {