ignore unknown participant bye

misc.js

@@ -67,7 +67,7 @@ dClient.on("emojiDelete", async emoji => {
 // allow anyone to pin a message via reaction
 // todo need enable partials for it to work on old messages
 dClient.on("messageReactionAdd", async (messageReaction) => {
-    if (messageReaction.guild.id != config.guildID) return;
+    if (messageReaction.guild?.id != config.guildID) return;
     if (messageReaction.emoji.name == "📌" || messageReaction.emoji.name == "📍")
         await messageReaction.message.pin();
 });

mppbridger.js

@@ -127,6 +127,7 @@ global.createMPPbridge = async function createMPPbridge({room, channel, uri}) {
 	});
 	gClient.prependListener("bye", async msg => {
 	    var participant = gClient.ppl[msg.p];
+		if (!participant) return;
         d.send(`\`${participant._id.substr(0,6)}\` ___**${sanitizeName(participant.name)}** left the room.___`);
     });
 
@@ -196,4 +197,4 @@ dClient.once("ready", async function () {
 			handleError(error, JSON.stringify(bridge));
 		}
 	}
-});
+});