function fundcode_association_save_meta_box( $post_id ) {
  $err = false;
  $message = '';

	// Check if our nonce is set.
	if ( ! isset( $_POST['fundcode_post_class_nonce'] ) ) {
		return;
	}

	// Verify that the nonce is valid.
	if ( ! wp_verify_nonce( $_POST['fundcode_post_class_nonce'], basename( __FILE__ ) ) ) {

		return;
	}

	// If this is an autosave, our form has not been submitted, so we don't want to do anything.
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
		return;
	}

	// Save occasion
	if( isset( $_POST['fundcode-occasion'] ) )
  {
    if(!empty($_POST['fundcode-occasion']))
    {
      $my_data = sanitize_text_field( $_POST['fundcode-occasion'] );
      update_post_meta( $post_id, 'fundcode_occasion', $my_data );
    }
    else
    {
      $err = true;
      $message .= "Occasion can't be empty.<br />";
      update_post_meta( $post_id, 'fundcode_occasion', null );
    }
	}

	// Save association
	if( isset( $_POST['fundcode-association'] ) )
  {
    if(!empty($_POST['fundcode-association']))
    {
      $my_data = sanitize_text_field( $_POST['fundcode-association'] );
      update_post_meta( $post_id, 'fundcode_association', $my_data );
    }
    else
    {
      $err = true;
      $message .= "Association can't be empty.<br />";
      update_post_meta( $post_id, 'fundcode_association', null );
    }
	}

  if($err)
  {
    update_option('fundcode_admin_errors', $message);
  }
  else
  {
    update_option('fundcode_admin_errors', false);
  }
}

add_action( 'save_post', 'fundcode_association_save_meta_box', 1 );

function fundcode_admin_notice_handler() {
  $errors = get_option('fundcode_admin_errors');

  if($errors)
  {
    echo '<div class="error"><p>' . $errors . '</p></div>';
  }
}

add_action( 'admin_notices', 'fundcode_admin_notice_handler' );

// Clear any errors
function fundcode_clear_errors() {
  update_option('fundcode_admin_errors', false);
}

add_action( 'admin_footer', 'fundcode_clear_errors' );