Pick and Pay Hypermarket Bloemfontein is failing to assist regarding a reprint of a receipt

I’ve been trying to get a reprint of a receipt for a Tv my mom bought at Pick and Pay Hypermarket. It’s all been in vain as they have made zero efforts to assist. On the day I bought the Tv my smart shopper card was not working and they assigned me a new one of which I later realised that it wasn’t registered they went on to say I should have registered the smart shopper after receiving it. My question is isn’t it the tellers job to make sure that a client is informed about such things? They are now hiding behind the fact that I don’t have a smart shopper card therefore it is impossible for them to get me a reprint of the receipt so I can get my Tv repaired. I took my Tv to Pick and pay on the 7th of May, I always have to run after them requesting for feedback because they never call to update or tell me what the next step is. At this point it seems like they are stalling until November as that’s when my warranty will be up. I really need assistance with resolving this matter. I’ve tried all I can and I’m tired