Create ACF option page

lm_cta_option_page.php

<?php
/*
 *
 * This code should go in your functions.php
 *
 */
 
if( function_exists('acf_add_options_page') ) {

  acf_add_options_page(array(
    'page_title'  => 'Theme General Settings',
    'menu_title'  => 'Theme Settings',
    'menu_slug'   => 'theme-general-settings',
    'capability'  => 'edit_posts'
  ));

  acf_add_options_sub_page(array(
    'page_title'  => 'Global CTA\'s',
    'menu_title'  => 'Global CTA',
    'parent_slug' => 'theme-general-settings',
  ));

}