npm list discord.js and node node -v version?✅ Marked as resolved by OP
.setTitle instead of .setDescription?<@348607796335607817> format):.setTitle.setDescription<@348607796335607817>async execute(interaction, bot) {
const embed = new EmbedBuilder()
.setDescription(“# __bot uptime:__”)
await interaction.reply({ embeds: [embed]});
}