Disgraceful service - still waiting on refund from Uber Eats

Uber eats owes me a refund of which they confirmed for about 700 rand from last week. Today I placed another order for close to R400, money went off my account , 15 min later i received a push notification: Sorry we are unable to process your order as the store is closed. Uber Eats South Africa please refund me my R1000 odd ASAP so I maybe continue to uninstall and delete your app. You’ll are useless for the mere fact you can’t call customer care you must now write a ticket on the help section. Taking people’s money like this and now I must spend more money to go get food from another retailer and drive there … what you’ll think we people swim in money!!!!!! Utter disgrace and disgusted by this service. Please ensure my money gets refund ASAP .