discovery insure.....insuring you to discover poor service

i reg a claim 28 nov 2021 for two tvs.i got a voucher for one at makro,i am at makro cape gate now 11 jan 2022 to redeem my voucher.its 30 mins drive from my house plus petrol,my voucher has been canceled without my knowledge,but according to discovery insure it is not,i have been on the phone for an hour now utterly embarrased instore.utter poor service