[Bug]: Unable to setup the automatic whitelist upon linking feature of Discord Integration

What happened?

I am attempting to setup the automatic whitelist feature of the Discord Integration bot for 1.16.5 version 2.3.5 According to the instructions when you have it enabled you connect to the server and should get a code when you are kicked. This part of the bot is not working. Additionally, when you try to use /op 8d8982a5-8cf9-4604-8feb-3dd5ee1f83a3 the server states that "this user does not exist" and fails to OP that UUID. Manually adding the UUID to the ops.json file that is used in 1.16.5 results in the entry/entire json file being wiped on server restart.
Game Version

1.16
What platform are you using?

Forge
Platform version

2.3.5
Config File

# General options for the bot
[general]
  # Insert your Bot Token here!
  # DO NOT SHARE IT WITH ANYONE!
  botToken = "BOT TOKEN REMOVED"
  # The channel ID where the bot will be working in
  botChannel = "289539713587609601"
  # The bot's status message
  # 
  # PLACEHOLDERS:
  # %online% - Online Players
  # %max% - Maximum Player Amount
  botStatusName = "%online% players Online"
  # Type of the bot's status
  # Allowed Values: DISABLED,PLAYING,WATCHING,LISTENING,STREAMING,COMPETING
  botStatusType = "PLAYING"
  # URL of the bot's stream when using the status type 'STREAMING'
  # Has to start with https://twitch.tv/ or https://www.youtube.com/watch?v=
  streamingURL = "https://www.youtube.com/watch?v=dQw4w9WgXcQ"
  # Enable checking for updates?
  # Notification will be shown after every server start in log when update is available
  enableUpdateChecker = true
  # The minimum release type for the update checker to notify
  # Allowed values: release, beta, alpha
  updateCheckerMinimumReleaseType = "beta"
  # Set to false to disable config migration from other mods/plugins to this one
  # This does not prevent updating of this config after mod updates
  allowConfigMigration = true
  # Attempt to parse id-based mentions to names in in-game chat
  parseMentionsIngame = true
# Configuration options for commands
[commands]
  # The Role IDs of your Admin Roles
  # Now supports multiple roles which can access admin commands
adminRoleIDs = [  "286294272007733263"  ]
  # Add your custom commands here
  # You can also generate some on https://erdbeerbaerlp.de/dcintegration-commands/
  # You must op this UUID in the ops.txt or some custom commands won't work!
  senderUUID = "8d8982a5-8cf9-4604-8feb-3dd5ee1f83a3"
  # Enable help command?
  # Disabling also removes response when you entered an invalid command
  # Requires server restart
  helpCmdEnabled = true
  # Enable the list command in discord
  # Requires server restart
  listCmdEnabled = true
  # Enable the uptime command in discord
  # Requires server restart
  uptimeCmdEnabled = true
  # Set to false to completely disable the "Unknown Command" message
  showUnknownCommandMessage = true
  # Set to true to enable the "Unknown Command" message in all channels
  showUnknownCommandEverywhere = false

    [[commands.customCommands]]
      name = "kick"
      description = "Kicks an player from the Server"
      mcCommand = "kick %player% %reason%"
      adminOnly = true
      hidden = false

        [[commands.customCommands.args]]
          name = "player"
          description = "The player to be kicked"
          optional = false

        [[commands.customCommands.args]]
          name = "reason"
          description = "Reason for the kick"
          optional = true

    [[commands.customCommands]]
      name = "stop"
      description = "Stops the server"
      mcCommand = "stop"
      adminOnly = true
      hidden = false
args = [    ]

    [[commands.customCommands]]
      name = "kill"
      description = "Kills an Player or Entity"
      mcCommand = "kill %target%"
      adminOnly = true
      hidden = false

        [[commands.customCommands.args]]
          name = "target"
          description = "The target(s) for the kill command."
          optional = false
# Toggle some message related features
[messages]
  # Enable formatting conversion (Markdown <==> Minecraft)
  convertCodes = true
  # Send formatting codes from mc chat to discord
  # Has no effect when markdown <==> Minecraft is enabled
  formattingCodesToDiscord = false
  # Should /say output be sent to discord?
  sendOnSayCommand = true
  # Should /me output be sent to discord?
  sendOnMeCommand = true
  # When an /say command's message starts with this prefix, it will not be sent to discord
  sayCommandIgnoredPrefix = "Â§4Â§6Â§kÂ§r"
  # Should tamed entity death be visible in discord?
  sendDeathMessagesForTamedAnimals = false
# Advanced options
[advanced]
  # Custom channel ID for server specific messages (like Join/leave)
  # Leave 'default' to use default channel
  serverChannelID = "958783371931172884"
  # Custom channel ID for death messages
  # Leave 'default' to use default channel
  deathsChannelID = "958783326326501376"
  # Custom channel for for ingame messages
  # Leave 'default' to use default channel
  chatOutputChannelID = "default"
  # Custom channel where messages get sent to minecraft
  # Leave 'default' to use default channel
  chatInputChannelID = "default"
# Config options which only have an effect when using forge
[forgeSpecific]
  # A list of blacklisted modids
  # Adding one will prevent the mod to send messages to discord using forges IMC system
IMC_modIdBlacklist = [  "examplemod"  ]
  # Show item information, which is visible on hover ingame, as embed in discord?
  sendItemInfo = true
# Configuration for linking
[linking]
  # Unlink players when they leave the discord server for whatever reason (ex. leave,kick,ban)?
  unlinkOnLeave = true
  # Should discord linking be enabled?
  # If whitelist is on, this can NOT be disabled
  # DOES NOT WORK IN OFFLINE MODE!
  enableLinking = true
  # Role ID of an role an player should get when he links his discord account
  # Leave as 0 to disable
  linkedRoleID = "958775836020990002"
  # Enable discord based whitelist?
  # This will override the link config!
  # To whitelist use the whitelist command in the bot DMs
  whitelistMode = true
  # Adding Role IDs here will require the players to have at least ONE of these roles to link account
requiredRoles = ["225035364618862594"]
settingsBlacklist = [    ]

    # Allows you to configure the default values of some personal settings
    [linking.personalSettingsDefaults]
      default_useDiscordNameInChannel = true
      default_ignoreReactions = false
      default_pingSound = true
# Webhook configuration
[webhook]
  # Whether or not the bot should use a webhook (it will create one)
  enable = true
  # The avatar to be used for server messages
  serverAvatarURL = "https://raw.githubusercontent.com/ErdbeerbaerLP/Discord-Chat-Integration/master/images/srv.png"
  # The name to be used for server messages
  serverName = "Team IHOC Primary Server"
  # The URL where the player avatar gets fetched from
  # 
  # PLACEHOLDERS:
  # %uuid% - Returns the player's UUID with dashes
  # %uuid_dashless% - Returns the player's UUID without dashes
  # %name% - Returns the player's name
  # %randomUUID% - Returns an random UUID which can be used to prevent discord cache
  playerAvatarURL = "https://minotar.net/avatar/%uuid%?randomuuid=%randomUUID%"
# Allows you to modify and translate most of the messages this bot will send
[localization]
  # This is what will be displayed ingame when someone types into the bot's channel
  # PLACEHOLDERS:
  # %user% - The username
  # %id% - The user ID
  # %msg% - The message
  ingame_discordMessage = "Â§6[Â§5DISCORDÂ§6]Â§r <%user%> %msg%"
  # This is what will be displayed ingame when someone sends an reply into the bot's channel
  # PLACEHOLDERS:
  # %user% - The username
  # %id% - The user ID
  # %msg% - The reply message
  # %ruser% - The username of the message that got the reply
  # %rmsg% - The replied message
  ingame_discordReplyMessage = "Â§6[Â§5DISCORDÂ§6]Â§r Â§a%user%Â§r in reply to Â§3%ruser%Â§r: %msg%"
  # Message shown when hovering over the username of an discord message
  # PLACEHOLDERS:
  # %user% - The username/nickname (Someone123)
  # %user#tag% - The username with tag (someone#0001)
  # %id% - The user ID
  # 
  # NOTE: using an @ here can cause ping sounds ingame
  discordUserHover = "Â§3Discord User %user#tag%\nÂ§aClick to mention"
  # This message will edited in / sent when the server finished starting
  serverStarted = "Server Started!"
  # Message to show while the server is starting
  # This will be edited to SERVER_STARTED_MSG when webhook is false
  serverStarting = "Server Starting..."
  # This message will be sent when the server was stopped
  serverStopped = "Server Stopped!"
  # The message to print to discord when it was possible to detect a server crash
  serverCrash = "Server Crash Detected :thinking:"
  # Gets sent when an player joins
  # 
  # PLACEHOLDERS:
  # %player% - The player's name
  playerJoin = "%player% joined"
  # Gets sent when an player leaves
  # 
  # PLACEHOLDERS:
  # %player% - The player's name
  playerLeave = "%player% left"
  # Gets sent when an player dies
  # 
  # PLACEHOLDERS:
  # %player% - The player's name
  # %msg% - The death message
  playerDeath = "%player% %msg%"
  # Message sent instead of playerLeave, when the player times out
  # 
  # PLACEHOLDERS:
  # %player% - The player's name
  playerTimeout = "%player% timed out!"
  # Gets sent when an player finishes an advancement
  # Supports MulitLined messages using \n
  # 
  # PLACEHOLDERS:
  # %player% - The player's name
  # %name% - The advancement name
  # %desc% - The advancement description
  advancementMessage = "%player% just made the advancement **%name%**\n_%desc%_"
  # The chat message in discord, sent from an player in-game
  # 
  # PLACEHOLDERS:
  # %player% - The player's name
  # %msg% - The chat message
  discordChatMessage = "%player%: %msg%"
  # Sent to a player when someone reacts to his messages
  # PLACEHOLDERS:
  # %name% - (Nick-)Name of the user who reacted (format: 'SomeNickName')
  # %name2% - Name of the user who reacted with discord discriminator (format: 'SomeName#0123')
  # %msg% - Content of the message which got the reaction
  # %emote% - The reacted emote
  reactionMessage = "Â§6[Â§5DISCORDÂ§6]Â§rÂ§7 %name% reacted to your message \"Â§9%msg%Â§7\" with '%emote%'"
  # Message shown for attachments
  attachment = "Attachment"
  # Message shown for stickers
  sticker = "Sticker"
  # Header for Embeds
  embed = "Embed"
  # Message shown for embed images
  embedImage = "Image"
  # Message shown for embed messages
  embedMessage = "Message"
  # Hover message for the bot tag ingame
  bot = "This user is an bot"

    # Strings about the discord commands
    [localization.commands]
      # Shown in console when trying to use the discord command
      ingameOnly = "This command can only be executed ingame"
      # Shown when successfully reloading the config file
      configReloaded = "Config reloaded!"
      # Shown when an subcommand is disabled
      subcommandDisabled = "This subcommand is disabled!"
      # Message sent when user does not have permission to run a command
      noPermission = "You don't have permission to execute this command!"
      # Message sent when an invalid command was typed
      # 
      # PLACEHOLDERS:
      unknownCommand = "Unknown command, try `/help` for a list of commands"
      # Message if a player provides less arguments than required
      notEnoughArguments = "Not enough arguments"
      # Message if a player provides too many arguments
      tooManyArguments = "Too many arguments"
      # Message if a player can not be found
      # 
      # PLACEHOLDERS:
      # %player% - The player's name
      playerNotFound = "Can not find player \"%player%\""
      # The message for 'list' when no player is online
      cmdList_empty = "There is no player online..."
      # The header for 'list' when one player is online
      cmdList_one = "There is 1 player online:"
      # The header for 'list'
      # PLACEHOLDERS:
      # %amount% - The amount of players online
      cmdList_header = "There are %amount% players online:"
      # Header of the help command
      cmdHelp_header = "Your available commands in this channel:"
      # Message sent when ignoring Discord messages
      commandIgnore_ignore = "You are now ignoring Discord messages!"
      # Message sent when unignoring Discord messages
      commandIgnore_unignore = "You are no longer ignoring Discord messages!"
      # Message sent when using the uptime command
      # 
      # PLACEHOLDERS:
      # %uptime% - Uptime in uptime format, see uptimeFormat
      cmdUptime_message = "The server is running for %uptime%"
      # The format of the uptime command
      # For more help with the formatting visit https://commons.apache.org/proper/commons-lang/apidocs/org/apache/commons/lang3/time/DurationFormatUtils.html
      uptimeFormat = "dd 'days' HH 'hours' mm 'minutes'"
      # Shows when running slash commands as command response
      executing = "Executing..."
      # Command argument description for the linkcheck command's Discord user parameter
      cmdLinkcheck_userargDesc = "The discord user to check"
      # Command argument description for the linkcheck command's minecraft player parameter
      cmdLinkcheck_mcargDesc = "The minecraft player's UUID or Name to check"
      # Sent when checked user is not linked
      cmdLinkcheck_notlinked = "This account is not linked!"
      # 
      cmdLinkcheck_discordAcc = "Discord-Account: "
      cmdLinkcheck_minecraftAcc = "Minecraft Account: "
      cmdLinkcheck_cannotGetPlayer = "Error getting player information! Maybe you used an invalid name / UUID"
      cmdSett_key = "Destination settings key"
      cmdSett_val = "Settings value"
      cmdSett_set = "Change an setting"
      cmdSett_get = "Retrieve an setting value"

        # Command descriptions
        [localization.commands.descriptions]
          settings = "Allows you to edit your personal settings"
          uptime = "Displays the server uptime"
          help = "Displays a list of all commands"
          list = "Lists all players currently online"
          link = "Links your Discord account with your Minecraft account"
          whitelist = "Whitelists you on the server by linking with Discord"
          linkcheck = "Shows info about an linked discord user or an ingame player"

    # Strings about the account linking feature
    [localization.linking]
      # Sent to the user when he linked his discord successfully
      # PLACEHOLDERS:
      # %player% - The in-game player name
      linkSuccessful = "Your account is now linked with %player%.\nUse /settings to view and set some user-specific settings"
      # Sent to the user when linking fails
      linkFailed = "Account link failed"
      # Sent when an already linked user attempts to link an account
      # PLACEHOLDERS:
      # %player% - The in-game player name
      alreadyLinked = "Your account is already linked with %player%"
      # Sent when attempting to use personal commands while not linked
      # PLACEHOLDERS:
      # %method% - The currently enabled method for linking
      notLinked = "Your account is not linked! Link it first using %method%"
      # Message of the link method in whitelist mode
      # Used by %method% placeholder
      linkMethodWhitelistCode = "joining the server and then using `/link <whitelist-code>` here"
      # Message of the link method in normal mode
      # Used by %method% placeholder
      linkMethodIngame = "`/discord link` ingame"
      # Sent when attempting to whitelist-link with an non uuid string
      # PLACEHOLDERS:
      # %arg% - The provided argument
      link_argumentNotUUID = "Argument \"%arg%\" is not an valid UUID or Name. Use `/whitelist <Name-or-UUID>`"
      # Sent when attempting to link with an unknown number
      invalidLinkNumber = "Invalid link number! Use `/discord link` ingame to get your link number"
      # Sent when attempting to link with an invalid number
      linkNumberNAN = "This is not a number!"
      # Message shown to players who are not whitelisted using discord
      # No effect if discord whitelist is off
      notWhitelistedCode = "Â§cYou are not whitelisted.\nJoin the discord server for more information\nhttps://discord.gg/someserver\nYour Whitelist-Code is: Â§6%code%"
      # Sent when trying to link without an required role
      link_requiredRole = "You need to have an role to use this"
      # Sent when trying to link as an non-member
      link_notMember = "You are not member of the Discord-Server this bot is operating in!"
      # Sent to the user when he linked his discord successfully
      # PLACEHOLDERS:
      # %name% - The linked discord name
      # %name#tag% - The linked discord name with tag
      linkSuccessfulIngame = "Your account is now linked with discord-user %name#tag%"
      # Message shown to players who want to link their discord account ingame
      # 
      # PLACEHOLDERS:
      # %num% - The link number
      linkMsgIngame = "Send this command as a direct message to the bot to link your account: /link %num%\nThis number will expire after 10 minutes"
      # Shown when hovering over the link message
      hoverMsg_copyClipboard = "Click to copy command to clipboard"

    # Strings about the personal settings feature
    [localization.personalSettings]
      # Message for getting an setting's value
      personalSettingGet = "This settings value is `%bool%`"
      # Sent when user sucessfully updates an prersonal setting
      settingUpdateSuccessful = "Successfully updated setting!"
      # Header of the personal settings list
      personalSettingsHeader = "Personal Settings list:"
      # Error message when providing an invalid personal setting name
      invalidPersonalSettingKey = "`%key%` is not an valid setting!"
      settingsCommandUsage = "Usages:\n\n/settings - lists all available keys\n/settings get <key> - Gets the current settings value\n/settings set <key> <value> - Sets an Settings value"
      # Sent when setting an personal setting fails
      settingUpdateFailed = "Failed to set value :/"
      # Sent when attempting to change an blacklisted setting
      settingUpdateBlocked = "The server owner disabled changing of this setting"

        # Descriptions of the settings
        [localization.personalSettings.descriptons]
          ignoreDiscordChatIngame = "Configure if you want to ignore discord chat ingame"
          useDiscordNameInChannel = "Should the bot send messages using your discord name and avatar instead of your in-game name and skin?"
          ignoreReactions = "Configure if you want to ignore discord reactions ingame"
          pingSound = "Toggle the ingame ping sound"
          hideFromDiscord = "Setting this to true will hide all of your minecraft messages from discord"
# Configuration for the in-game command '/discord'
[ingameCommand]
  # Enable the /discord command to show an custom message with invite URL?
  enabled = true
  # The message displayed when typing /discord in the server chat
  message = "Join our discord! http://discord.gg/myserver"
  # The message shown when hovering the /discord command message
  hoverMessage = "Click to open the invite url"
  # The url to open when clicking the /discord command text
  inviteURL = "http://discord.gg/myserver"
# The command log channel is an channel where every command execution gets logged
[commandLog]
  # Channel ID for the command log channel
  # Leave 0 to disable
  channelID = "0"
  # The format of the log messages
  # 
  # PLACEHOLDERS:
  # %sender% - The name of the Command Source
  # %cmd% - executed command (e.g. "say Hello World"
  # %cmd-no-args% - Command without arguments (e.g. "say"
  message = "%sender% executed command `%cmd%`"
  # A list of commands that should NOT be logged
ignoredCommands = [  "list", "help", "?"  ]
# Configure votifier integration here
# (Spigot only)
[votifier]
  # Should votifier messages be sent to discord?
  enabled = true
  # Custom channel ID for Votifier messages
  # Leave 'default' to use default channel
  votifierChannelID = "default"
  # The message format of the votifier message
  # 
  # PLACEHOLDERS:
  # %player% - The playerÂ´s name
  # %site% - The name of the vote site
  # %addr% - (IP) Address of the site
  message = ":ballot_box: %player% just voted on %site%"
  # Name of the webhook title
  name = "Votifier"
  # URL of the webhook avatar image
  avatarURL = "https://www.cubecraft.net/attachments/bkjvmqn-png.126824/"
# Configure Dynmap integration here
[dynmap]
  # The message format of the message forwarded to discord
  # 
  # PLACEHOLDERS:
  # %sender% - The senderÂ´s name
  # %msg% - The Message
  dcMessage = "<%sender%> %msg%"
  # Custom channel ID for dynmap chat
  # Leave 'default' to use default channel
  dynmapChannelID = "default"
  # Name of the webhook title
  name = "Dynmap Web-Chat"
  # URL of the webhook avatar image
  avatarURL = "https://styles.redditmedia.com/t5_2kl3ct/styles/communityIcon_am5zopqnjhs41.png"
  # The name format of the message forwarded to the dynmap webchat
  # 
  # PLACEHOLDERS:
  # %name% - The discord name of the sender (including nickname)
  # %name#tag% - The discord name with tag of the sender (without nickname)
  webName = "%name% (discord)"
  # Name shown in discord when no name was specified on the website
  unnamed = "Unnamed"
# Configure some plugin-specific BStats settings here
# Everything can be seen here: https://bstats.org/plugin/bukkit/DiscordIntegration/9765
# 
# Does not apply to fabric yet, as there is no bstats for it
[bstats]
  # Allow sending of installed addon stats (Name and version of installed addons)
  sendAddonStats = true
# Settings for servers running as Bungeecord-suberver
[bungee]
  # Set this to true if the server is running as an subserver of an bungeecord network and therefore needs to be in offline mode
  # Setting this will force account linking in offline mode
  # Do NOT use for actual offline mode servers, as this will break the linking feature because of the UUIDs!
  # 
  # Currently no support for floodgate running on bungee
  isBehindBungee = false
Crash report / Error log (if applicable)

No response
Additional Information

No response
ErdbeerbaerLP / DiscordIntegration-Forge
