Slash command not working

const { Command } = require('@sapphire/framework');
const { EmbedBuilder } = require('discord.js');
const { isMessageInstance } = require('@sapphire/discord.js-utilities');

module.exports = class PingCommand extends Command {
    constructor(context, options) {
        super(context, { ...options, });
    }

    registerApplicationCommands(registry) {
        registry.registerChatInputCommand((builder) => {
            builder
            .setName('ping')
            .setDescription(`Check the bot's response time with a quick ping command.`)
        })
    }

    async chatInputRun(interaction) {
        const msg = await interaction.reply({ content: 'Pinging...', ephemeral: true, fetchReply: true  });

        if (isMessageInstance(msg)) {
            const restLatency = Math.floor(interaction.client.rest.ping)
            const gatewayLatency = Math.floor(interaction.client.ws.ping)
            const botLatency = Math.floor(msg.createdTimestamp - interaction.createdTimestamp)

            return interaction.editReply({
                content: `:ping_pong: **| Pong! Bot Latency:** \`\`\`${botLatency}ms\`\`\`\n:stopwatch: **| Gateway Latency:** \`\`\`${gatewayLatency}ms\`\`\`\n:zap: **| Rest Latency: \`\`\`${restLatency}ms\`\`\`**`
            })
        }

        return interaction.editReply({
            content: `Failed to retrieve ping :(`
        })
    }
}