It's fixed, thank you.
However, I think the plugin is not working. It doesn't move the out of stock products to the end of the page.
There must be an issue with Nop 4.0, please check.
Note: There is even no record in the log file after mass update.
Google Multi Language Sitemap is not working correctly.
If you can check the content of the link, you can see that even for the "en" language, it still shows "tr" link:
You can check this screenshot to see the problem: http://prntscr.com/jtcnvv
Looking for the fix.
I cannot save licence number to this plugin. It shows as it's saved but I refresh the page, it disappears. Please check it.
I use Nop 4.0