Medication shortage - Consumer Complaint for Clicks Store - Head Office

I wentto Clicks Wonderboom last month to collect my prescribed medication(ARVs) I got 2 bottles instead of 3 and when I ask why ,they said they don't have anymore.Okay I went again this month it was worse I got 1 bottle instead of three,so I don't know what the cause is,can you please clarify about this,cause I'm supposed to go to the clinic by June for my next visit of which you gave me less medication,so what must I do?