(node:1246) UnhandledPromiseRejectionWarning: TypeError: this.commands.filterArray is not a function
    at CommandRegistry.findCommands (/Users/srinjoysinha/Desktop/Discord Bot JS/node_modules/discord.js-commando/src/registry.js:438:41)
    at CommandDispatcher.matchDefault (/Users/srinjoysinha/Desktop/Discord Bot JS/node_modules/discord.js-commando/src/dispatcher.js:254:34)
    at CommandDispatcher.parseMessage (/Users/srinjoysinha/Desktop/Discord Bot JS/node_modules/discord.js-commando/src/dispatcher.js:238:21)
    at CommandDispatcher.handleMessage (/Users/srinjoysinha/Desktop/Discord Bot JS/node_modules/discord.js-commando/src/dispatcher.js:114:18)
    at CommandoClient.<anonymous> (/Users/srinjoysinha/Desktop/Discord Bot JS/node_modules/discord.js-commando/src/client.js:68:51)
    at CommandoClient.emit (events.js:315:20)
    at MessageCreateAction.handle (/Users/srinjoysinha/Desktop/Discord Bot JS/node_modules/discord.js/src/client/actions/MessageCreate.js:31:14)
    at Object.module.exports [as MESSAGE_CREATE] (/Users/srinjoysinha/Desktop/Discord Bot JS/node_modules/discord.js/src/client/websocket/handlers/MESSAGE_CREATE.js:4:32)
    at WebSocketManager.handlePacket (/Users/srinjoysinha/Desktop/Discord Bot JS/node_modules/discord.js/src/client/websocket/WebSocketManager.js:386:31)
    at WebSocketShard.onPacket (/Users/srinjoysinha/Desktop/Discord Bot JS/node_modules/discord.js/src/client/websocket/WebSocketShard.js:436:22)
(node:1246) 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: 2)
(node:1246) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.