I apologize again for any inconvenience caused, in any case, I'm not still able to reproduce the issue in our servers.
So please, I have to ask you to open a private ticket and providing us with your website credentials in order to take a look. Also, I have to ask you for permission in order to download a backup of your site in case we need to make tests, as we have a very strict policy about not modifying anything in our users' live websites.
This is the link to open the private ticket: https://stockmanagementlabs.ticksy.com/
And remember to make a reference to this post.