npm list discord.js and node node -v version?interaction too whether you already have a variable with that name, rename it to btnInt or something and us the, it might be conflictingbtnInt to respond to the btn interaction, you are still doing interaction.followUp here, also to use followUp it needs to be replied or deferred first, so do that or directly replyinteraction.userinteractionbtnIntinteraction.followUpfetchReply: truereplyinteraction.user