rank command error

[Swqppingg]

Hello, I'm getting this error when trying to use the rank command

(node:5480) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'get' of undefined
[1] at Object.module.exports.run (/home/VLRPBot/commands/rank.js:12:22)
[1] at Client. (/home/VLRPBot/code.js:42:34)
[1] at Client.emit (events.js:315:20)
[1] at MessageCreateAction.handle (/home/VLRPBot/node_modules/discord.js/src/client/actions/MessageCreate.js:31:14)
[1] at Object.module.exports [as MESSAGE_CREATE] (/home/VLRPBot/node_modules/discord.js/src/client/websocket/handlers/MESSAGE_CREATE.js:4:32)
[1] at WebSocketManager.handlePacket (/home/VLRPBot/node_modules/discord.js/src/client/websocket/WebSocketManager.js:386:31)
[1] at WebSocketShard.onPacket (/home/VLRPBot/node_modules/discord.js/src/client/websocket/WebSocketShard.js:436:22)
[1] at WebSocketShard.onMessage (/home/VLRPBot/node_modules/discord.js/src/client/websocket/WebSocketShard.js:293:10)
[1] at WebSocket.onMessage (/home/VLRPBot/node_modules/discord.js/node_modules/ws/lib/event-target.js:125:16)
[1] at WebSocket.emit (events.js:315:20)
[1] (node:5480) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)