A trip to Paris went off the rails when I needed a metro refund

My ticket didn’t work and I was left £25 out of pocket, but I can’t get the money backI saw you managed to get a refund for a reader from the French train company SNCF after a five-month battle. I am trying to get one after I lost money on a ticket while on holiday in Paris last September. I am 65 and work part-time as an administrator on a building site as my pension is not enough and money is tight. Basically, a five-zone Métro ticket costing €52 did not work and