Code saying the command doesn't exist

client.on(Events.InteractionCreate, async interaction => {
    if (!interaction.isChatInputCommand()) return;

    const command = interaction.client.commands.get(interaction.commandName);

    if (!command) {
        console.error(interaction);
        return;
    }

    try {
        await command.execute(interaction);
    } catch (error) {
        console.error(error);

    const errorID = toString(Math.floor(Math.random() * 1000000000));

    const errorEmbedServer = new EmbedBuilder()
      .setTitle("Critical Error")
      .setDescription(`The user ${interaction.user.username} (${interaction.user.id}) has encountered a critical error.`)
      .addFields(
        {"name": "Command", "value": interaction.commandName, "inline": true},
        {"name": "ErrorID", "value": errorID, "inline": true},
        {"name": "Error", "value": `\`\`\`${error.stack}\`\`\``}
      )
      .setColor("RED")

    const errorEmbedUser = new EmbedBuilder()
      .setTitle("Critical Error")
      .setDescription(`Uh Oh, it looks like you've encountered a critical error. Please contact the developers with the errorID of \`${errorID}\``)
      .setColor("RED")

    logs.createLog(`error-${errorID}`, error.stack); logs.pushLogsToFiles();
    
    interaction.client.channels.fetch(clientData.errorChannel).then(channel => {
      channel.send({ embeds: [errorEmbedServer] });
    });

        if (interaction.replied || interaction.deferred) {
            await interaction.followUp({ embeds: [errorEmbedUser], ephemeral: true });
        } else {
            await interaction.reply({ embeds: [errorEmbedUser], ephemeral: true });
        }
    }
});

const { SlashCommandBuilder } = require('@discordjs/builders');

module.exports = {
    description: 'Replies with Pong!',
    permissions: [],
    isHidden: true,

    data: new SlashCommandBuilder()
        .setName('ping')
        .setDescription('Replies with Pong!'),
    async execute(interaction) {
        await interaction.reply('Pong!');
    },
};