Hi softdirect ,
Thanks for the answer, PAVE here again. I have asked Salva to help, but there was a little misunderstanding between him and I. Please, accept my apology.
I still think there is something in your site not related to ATUM bugging the Stock Central page.
So what you need to do is to open a private ticket here, give us your admin credentials and written permission to grab a copy of your site and install locally in our servers to debug the problem.
We are doing this for free to find the problem, if not related to ATUM and proved to be caused by 3rd party plugin, we will give you further options to solve it, ok?
Hope this helps.