Error message when quick edit page

Hey
Ive got an error message after quick editing regular page/post:

Notice: Trying to get property of non-object in C:\Users\Mateusz\Desktop\phpstorm\uw\test\wp-content\plugins\woo-poly-integration\src\Hyyan\WPI\Product\Duplicator.php on line 60

Hope you can fix it soon
Cheers

https://ww.wp.xz.cn/plugins/woo-poly-integration/