Forum tags - Create a new tag if not exists

const availableTags: GuildForumTagData[] = allTags.map((tag) => {
        return {
            id: tag.id,
            moderated: tag.moderated,
            name: tag.name,
            emoji: tag.emoji,
        };
    });
    availableTags.push({
        name: "Dice Roll",
        emoji: { id: null, name: "🪡" },
    });
    await forum.setAvailableTags(availableTags);
return availableTags.find(
        (tag) => tag.name === "Dice Roll" && tag.emoji?.name === "🪡"
    ) as GuildForumTagData;

Invalid Form Body
applied_tags[0][BASE_TYPE_REQUIRED]: This field is required