bot not seeing users

//Attempting to call processMembers for all members in order to add members currency to tables.
client.once('ready', () => {
    const guild = client.guilds.cache.get(guildId);
    if (guild) {
        console.log('Using cached members.');
        const members = guild.members.cache;

        if (members.size === 1) {
            console.log('No cached members found. Fetching members...');
            guild.members.fetch()
                .then(fetchedMembers => {
                    console.log(`Fetched ${fetchedMembers.size} members.`);
                    processMembers(fetchedMembers);
                })
                .catch(err => console.error('Failed to fetch members:', err));
        } else {
            console.log(`Cached members found: ${members.size}`);
            processMembers(members);
        }
    } else {
        console.error(`No guild found with ID: ${guildId}`);
    }
    console.log(`Ready! Logged in as ${client.user.tag}`);
});

function processMembers(members) {
    members.forEach(member => {
        console.log('Processing for each member.');
        unity_credits.set(member.user.id, 60);
        commerce_credits.set(member.user.id, 60);
        console.log(`Unity credits for ${member.user.username}: ${unity_credits.get(member.user.id)}`);
        console.log(`Commerce credits for ${member.user.username}: ${commerce_credits.get(member.user.id)}`);
    });
}

Using cached members.
No cached members found. Fetching members...
Ready! Logged in as The Arbiter#4578