Instalat și rulat, deși nu funcționează așa cum ar trebui pentru mine

I buy,

Installed and running though
the component does not list all of my items in k2, trying to function SINGLE ARTICLES> ADD ARTICLE select the desired category and then only a few items are listed, each about 60 items just around the id 680 being that my past articles have ID above 3600.
I do not believe to be a problem of not knowing how to use or need support, but it may be a bug in the component and it would be important to a solution by the company.