Gateacre Costa in South Liverpool - every single time I try to use points, I get the response "our machine isn't working". Even today, Costa's 50th birthday celebration, with posters on the windows, as soon as any customer tried to use the 50p drink offer on the app, the response was " machine isn't working". I really don't believe this and think that this branch needs to be investigated as it is not in the spirit of the Costa 'offer' that customers are not able to use points or benefit from any special offers. I will never use Costa again and the sooner this branch shuts and a Starbucks replaces it the better!