Poor service from Clicks Online

On 7 August this year I ordered two packs of 2-ply Toilet Paper of 18 rolls each, together with Family Wipes, Vitamin C & Zinc, and Vitamin B12 under order no. ***. The Packing List reflects 2 x 2-ply Toilet Paper 18 Rolls but only one 1 pack of 2-ply Toilet Paper was actually packed, so I am short one pack. I have tried repeatedly to cooperate with Clicks's service department to get this resolved. On one occasion I was told telephonically that I would get a cashback of R110 for the missing pack, and that Clicks had already e-mailed me confirm this cashback. But I received neither an e-mail nor a cashback to the value of the missing pack of toilet rolls. The carton my goods were packed in was too small to accommodate 2 packs of 18 rolls of toilet paper, so I was looking for another carton, but there wasn't one. It is a mistake on the packing list on Clicks's side. I would still like my cash back of R110.