fischadiadi

You can only read acf datas with this plugin.

Here is a simple solution for read write acf data:

add_action( 'rest_api_init', 'register_rest_acf_field' );
function register_rest_acf_field() {
  register_rest_field( 'post_type', 'acf_field_name', [
    'get_callback'    => read_acf_field',
    'update_callback' => update_acf_field',
    'schema'          => null,
  ] );
}

function read_acf_field( $object, $field_name, $request ) {
  return get_field( $field_name, $object[ 'id' ] );
}

function update_acf_field( $value, $object, $field_name ) {
  if ( ! $value || ! is_string( $value ) ) {
    return;
  }

  return update_field( $field_name, strip_tags( $value ), $object->ID );
}

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you should add this css code to /includes/library/icon-picker/css/icon-picker.min.css

or

you can create a css file in your theme with this css code and add this function to functions.php

function my_admin_theme_style() {
wp_enqueue_style(‘my-admin-style’, get_template_directory_uri() . ‘/path/to/admin/style.css’);
}
add_action(‘admin_enqueue_scripts’, ‘my_admin_theme_style’);

for me it solved the problem

.icon-picker-fonts-browser {position: absolute !important;}