I’m having the same issue as this topic:
https://www.8theme.com/topic/problem-with-sales-booster-panel-not-allowed-error/
I will give you admin access but PLEASE I need to know what will you change, to learn and to be aware of the website changes.. Last time I gave you admin access, there were some settings changed that gave my problems on this side, so please be so kind to inform me about the changes made. Thank you