Improve use of get_current_screen since it returns NULL in some cases

readme.txt

@@ -4,7 +4,7 @@ Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=me%40
 Tags: custom product attributes, woocommerce product attributes, product attributes, custom attributes, woocommerce custom product attributes
 Requires at least: 3.8
 Tested up to: 4.7
-Stable tag: 1.5.1
+Stable tag: 1.5.2
 License: GNU Version 2 or Any Later Version
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -117,6 +117,9 @@ Add this CSS:
 
 == Changelog ==
 
+= 1.5.2 =
+* Fix - Improve use of get_current_screen since it returns NULL in some cases.
+
 = 1.5.1 =
 * Fix - Removed attributes from the admin main Orders page because it was ruining the HTML for the item names.
 
@@ -182,6 +185,9 @@ Add this CSS:
 = 1.0 =
 * Initial release.
 == Upgrade Notice ==
+= 1.5.2 =
+Fix - Improve use of get_current_screen since it returns NULL in some cases.
+
 = 1.5.1 =
 Fix - Removed attributes from the admin main Orders page because it was ruining the HTML for the item names.
 

woocommerce-show-attributes.php

@@ -3,7 +3,7 @@
 Plugin Name: WooCommerce Show Attributes
 Plugin URI: https://isabelcastillo.com/docs/category/woocommerce-show-attributes
 Description: Show WooCommerce custom product attributes on the Product, Shop and Cart pages, admin Order Details page and emails.
-Version: 1.5.1
+Version: 1.5.2
 Author: Isabel Castillo
 Author URI: https://isabelcastillo.com
 License: GPL2
@@ -276,8 +276,11 @@ public function show_atts_on_product_page() {
 	*/
 	public function show_atts_on_customer_order( $item_name, $item ) {
 		// Do not show this on the admin main Orders page
-		if ( function_exists( 'get_current_screen' ) && 'edit-shop_order' == get_current_screen()->id ) {
-			return $item_name;
+		if ( function_exists( 'get_current_screen' ) ) {
+			$screen = get_current_screen();
+			if ( ! empty( $screen ) && isset( $screen->id ) && 'edit-shop_order' == $screen->id ) {
+				return $item_name;
+			}
 		}
 
 		$show_weight = null;