Merge pull request #125 from smichel17/crashfix

Fix: Don't crash if a message has no author

Author: robertt

Diff for: src/modules/helpchan.ts

@@ -356,15 +356,15 @@ export class HelpChanModule extends Module {
 		// to creation date), so sorting is needed to find the latest embed.
 		let lastMessage = channel.messages.cache
 			.array()
-			.filter(m => m.author.id === this.client.user?.id)
+			.filter(m => m.author && m.author.id === this.client.user?.id)
 			.sort((m1, m2) => m2.createdTimestamp - m1.createdTimestamp)
 			.find(m => m.embeds.some(isStatusEmbed));
 
 		if (!lastMessage)
 			// Fetch has a stable order, with recent messages first
 			lastMessage = (await channel.messages.fetch({ limit: 5 }))
 				.array()
-				.filter(m => m.author.id === this.client.user?.id)
+				.filter(m => m.author && m.author.id === this.client.user?.id)
 				.find(m => m.embeds.some(isStatusEmbed));
 
 		if (lastMessage) {