getFullOrganization function is throwing UNAUTHORIZED

import { authClient } from '@/lib/auth-client'
import React from 'react'

export default async function OrganizationPage({
    params,
  }: {
    params: Promise<{ organizationSlug: string }>
  }) {
    const { organizationSlug } = await params

    const organization = await authClient.organization.getFullOrganization({
        query: { organizationSlug: organizationSlug }
    })  
  return (
    <div>
        <pre>{JSON.stringify(organization, null, 2)}</pre>
    </div>
  )
}

{
  "data": null,
  "error": {
    "status": 401,
    "statusText": "UNAUTHORIZED"
  }
}