diff --git a/src/util/Constants.js b/src/util/Constants.js
index f1375454d..f23926635 100644
--- a/src/util/Constants.js
+++ b/src/util/Constants.js
@@ -747,6 +747,23 @@ exports.Colors = {
   NOT_QUITE_BLACK: 0x23272A,
 };
 
+/**
+ * The value set for the verification levels for a guild:
+ * * None
+ * * Low
+ * * Medium
+ * * (╯°□°）╯︵ ┻━┻
+ * * ┻━┻ ﾐヽ(ಠ益ಠ)ノ彡┻━┻
+ * @typedef {string} VerificationLevel
+ */
+exports.VerificationLevels = [
+  'None',
+  'Low',
+  'Medium',
+  '(╯°□°）╯︵ ┻━┻',
+  '┻━┻ ﾐヽ(ಠ益ಠ)ノ彡┻━┻',
+];
+
 /**
  * An error encountered while performing an API request. Here are the potential errors:
  * * UNKNOWN_ACCOUNT
@@ -771,7 +788,10 @@ exports.Colors = {
  * * MAXIMUM_PINS
  * * MAXIMUM_ROLES
  * * MAXIMUM_REACTIONS
+ * * MAXIMUM_CHANNELS
+ * * MAXIMUM_INVITES
  * * UNAUTHORIZED
+ * * USER_BANNED
  * * MISSING_ACCESS
  * * INVALID_ACCOUNT_TYPE
  * * CANNOT_EXECUTE_ON_DM
@@ -791,9 +811,13 @@ exports.Colors = {
  * * CANNOT_PIN_MESSAGE_IN_OTHER_CHANNEL
  * * INVALID_OR_TAKEN_INVITE_CODE
  * * CANNOT_EXECUTE_ON_SYSTEM_MESSAGE
+ * * INVALID_OAUTH_TOKEN
  * * BULK_DELETE_MESSAGE_TOO_OLD
- * * INVITE_ACCEPTED_TO_GUILD_NOT_CONTANING_BOT
+ * * INVALID_FORM_BODY
+ * * INVITE_ACCEPTED_TO_GUILD_NOT_CONTAINING_BOT
+ * * INVALID_API_VERSION
  * * REACTION_BLOCKED
+ * * RESOURCE_OVERLOADED
  * @typedef {string} APIError
  */
 exports.APIErrors = {
@@ -819,7 +843,10 @@ exports.APIErrors = {
   MAXIMUM_PINS: 30003,
   MAXIMUM_ROLES: 30005,
   MAXIMUM_REACTIONS: 30010,
+  MAXIMUM_CHANNELS: 30013,
+  MAXIMUM_INVITES: 30016,
   UNAUTHORIZED: 40001,
+  USER_BANNED: 40007,
   MISSING_ACCESS: 50001,
   INVALID_ACCOUNT_TYPE: 50002,
   CANNOT_EXECUTE_ON_DM: 50003,
@@ -839,9 +866,13 @@ exports.APIErrors = {
   CANNOT_PIN_MESSAGE_IN_OTHER_CHANNEL: 50019,
   INVALID_OR_TAKEN_INVITE_CODE: 50020,
   CANNOT_EXECUTE_ON_SYSTEM_MESSAGE: 50021,
+  INVALID_OAUTH_TOKEN: 50025,
   BULK_DELETE_MESSAGE_TOO_OLD: 50034,
-  INVITE_ACCEPTED_TO_GUILD_NOT_CONTANING_BOT: 50036,
+  INVALID_FORM_BODY: 50035,
+  INVITE_ACCEPTED_TO_GUILD_NOT_CONTAINING_BOT: 50036,
+  INVALID_API_VERSION: 50041,
   REACTION_BLOCKED: 90001,
+  RESOURCE_OVERLOADED: 130000,
 };
 
 /**