Unknown Interaction

module.exports = {
    data: new SlashCommandBuilder()
    .setName('hxbuy')
    .setDescription('This is used by the administration when a user have bought Hx Cheats')
    .addUserOption(option =>
        option.setName('user')
            .setDescription('The user who bought the HX Cheats.')
            .setRequired(true))
    .addStringOption(option =>
        option.setName('key')
            .setDescription('The HX Cheats key it will provide the customer with (Lifetime / Month / Week / 1day)')
            .setRequired(true)),
    async execute(interaction, client) {
        const member = interaction.member;
        if (member.roles.cache.has('1089455359921508412')) {

            const channel = interaction.channel;

            
            const UserInput = interaction.options.getUser('user') ?? 'No user was provided!'; // The error is here
            const Key = interaction.options.getString('key') ?? 'No key was provided!';

            interaction.reply({ content: 'The key and message was successfully send!', ephemeral: true })