Short received item patern

Ordered through Mr d. 4 x sliders. Received only 2. This is the second time in 2 weeks. Now I'll resort to hello Peter. When I phoned the lady, she said, she packed the order herself and it's not possible. Even blamed the Mr d driver. I have logged a query at Mr d Aswell. I assured her, the packet was sealed with stapled closed. Looks like a pattern Please be aware of this restaurant