diff --git a/src/models/Channel.ts b/src/models/Channel.ts
index 82ad2999..1b9a167c 100644
--- a/src/models/Channel.ts
+++ b/src/models/Channel.ts
@@ -1,5 +1,6 @@
 import { Schema, model, Types, Document } from "mongoose";
 import db from "../util/Database";
+import toBigInt from "../util/toBigInt";
 
 export interface AnyChannel extends Channel, DMChannel, TextChannel, VoiceChannel {}
 
@@ -24,8 +25,8 @@ export const ChannelSchema = new Schema({
 	topic: String,
 	permission_overwrites: [
 		{
-			allow: Types.Long,
-			deny: Types.Long,
+			allow: { type: String, get: toBigInt },
+			deny: { type: String, get: toBigInt },
 			id: String,
 			type: Number,
 		},
diff --git a/src/models/Guild.ts b/src/models/Guild.ts
index 819ac840..ef343010 100644
--- a/src/models/Guild.ts
+++ b/src/models/Guild.ts
@@ -32,6 +32,8 @@ export interface Guild {
 	// channels: GuildChannel[]; // * Channels are stored in a seperate collection
 	// emojis: Emoji[];  // * Emojis are stored in a seperate collection
 	// voice_states: []; // * voice_states are stored in a seperate collection
+    //TODO:
+	presences?: object[];
 	mfa_level?: number;
 	name: string;
 	owner_id: string;
@@ -69,6 +71,7 @@ export const GuildSchema = new Schema({
 	max_presences: Number,
 	max_video_channel_users: { type: Number, default: 25 },
 	member_count: Number,
+	presences: { type: [Object], default: [] },
 	presence_count: Number,
 	mfa_level: Number,
 	name: { type: String, required: true },
@@ -98,6 +101,7 @@ GuildSchema.virtual("channels", {
 	justOne: false,
 	autopopulate: true,
 });
+
 GuildSchema.virtual("roles", {
 	ref: RoleModel,
 	localField: "id",
@@ -128,7 +132,7 @@ GuildSchema.virtual("joined_at", {
 	foreignField: "guild_id",
 	justOne: true,
 }).get((member: any, virtual: any, doc: any) => {
-	return member.joined_at;
+	return member?.joined_at;
 });
 
 // @ts-ignore
diff --git a/src/models/Role.ts b/src/models/Role.ts
index 84ad55d0..c1111c84 100644
--- a/src/models/Role.ts
+++ b/src/models/Role.ts
@@ -1,5 +1,6 @@
 import { Schema, model, Types, Document } from "mongoose";
 import db from "../util/Database";
+import toBigInt from "../util/toBigInt";
 
 export interface Role {
 	id: string;
@@ -28,12 +29,13 @@ export const RoleSchema = new Schema({
 	managed: Boolean,
 	mentionable: Boolean,
 	name: String,
-	permissions: Types.Long,
+	permissions: { type: String, get: toBigInt },
 	position: Number,
 	tags: {
 		bot_id: String,
 	},
 });
+
 RoleSchema.set("removeResponse", ["guild_id"]);
 
 // @ts-ignore
diff --git a/src/models/User.ts b/src/models/User.ts
index 1f01e837..8511a9b0 100644
--- a/src/models/User.ts
+++ b/src/models/User.ts
@@ -2,6 +2,7 @@ import { Activity } from "./Activity";
 import { ClientStatus, Status } from "./Status";
 import { Schema, Types, Document } from "mongoose";
 import db from "../util/Database";
+import toBigInt from "../util/toBigInt";
 
 export const PublicUserProjection = {
 	username: true,
@@ -141,8 +142,8 @@ export const UserSchema = new Schema({
 	created_at: Date,
 	verified: Boolean,
 	email: String,
-	flags: Types.Long, // TODO: automatically convert Types.Long to BitField of UserFlags
-	public_flags: Types.Long,
+	flags: { type: String, get: toBigInt }, // TODO: automatically convert Types.Long to BitField of UserFlags
+	public_flags: { type: String, get: toBigInt },
 	guilds: [String], // array of guild ids the user is part of
 	user_data: {
 		fingerprints: [String],
diff --git a/src/util/Database.ts b/src/util/Database.ts
index 5d9afab9..339ac65b 100644
--- a/src/util/Database.ts
+++ b/src/util/Database.ts
@@ -7,7 +7,12 @@ const uri = process.env.MONGO_URL || "mongodb://localhost:27017/fosscord?readPre
 
 console.log(`[DB] connect: ${uri}`);
 
-const connection = mongoose.createConnection(uri, { autoIndex: true, useNewUrlParser: true, useUnifiedTopology: true });
+const connection = mongoose.createConnection(uri, {
+	autoIndex: true,
+	useNewUrlParser: true,
+	useUnifiedTopology: true,
+	useFindAndModify: false,
+});
 
 export default <Connection>connection;
 
@@ -56,6 +61,12 @@ export class MongooseCache extends EventEmitter {
 		}
 	};
 
+	changeStream = (pipeline: any) => {
+		this.pipeline = pipeline;
+		this.destroy();
+		this.init();
+	};
+
 	convertResult = (obj: any) => {
 		if (obj instanceof Long) return BigInt(obj.toString());
 		if (typeof obj === "object") {
diff --git a/src/util/MongoBigInt.ts b/src/util/MongoBigInt.ts
index c4e5f623..fc451925 100644
--- a/src/util/MongoBigInt.ts
+++ b/src/util/MongoBigInt.ts
@@ -44,7 +44,7 @@ class LongSchema extends mongoose.SchemaType {
 		if (val instanceof Number || "number" == typeof val) return BigInt(val);
 		if (!Array.isArray(val) && val.toString) return BigInt(val.toString());
 
-		// @ts-ignore
+		//@ts-ignore
 		throw new SchemaType.CastError("Long", val);
 	}
 
diff --git a/src/util/checkToken.ts b/src/util/checkToken.ts
index b4635126..d5a128b4 100644
--- a/src/util/checkToken.ts
+++ b/src/util/checkToken.ts
@@ -4,7 +4,7 @@ import Config from "./Config";
 
 export function checkToken(token: string): Promise<any> {
 	return new Promise((res, rej) => {
-		jwt.verify(token, Config.getAll().api.security.jwtSecret, JWTOptions, (err, decoded: any) => {
+		jwt.verify(token, Config.getAll()?.api?.security?.jwtSecret, JWTOptions, (err, decoded: any) => {
 			if (err || !decoded) return rej("Invalid Token");
 
 			return res(decoded);
diff --git a/src/util/index.ts b/src/util/index.ts
index b0c7fe62..7e8bca20 100644
--- a/src/util/index.ts
+++ b/src/util/index.ts
@@ -5,3 +5,4 @@ export * from "./MessageFlags";
 export * from "./Permissions";
 export * from "./Snowflake";
 export * from "./UserFlags";
+export * from "./toBigInt"
\ No newline at end of file
diff --git a/src/util/toBigInt.ts b/src/util/toBigInt.ts
new file mode 100644
index 00000000..d57c4568
--- /dev/null
+++ b/src/util/toBigInt.ts
@@ -0,0 +1,3 @@
+export default function toBigInt(string: String): BigInt {
+	return BigInt(string);
+}