The answer was already given I believe, and your second screenshot shows Public Holiday.
A
holiday is a day set aside by custom or by law on which normal activities, especially business or work including school, are suspended or reduced. Generally, holidays are intended to allow individuals to celebrate or commemorate an event or tradition of cultural or religious significance. Known holidays celebrated by
humans in the 34th century are listed below.
A holiday in human culture is a day set aside by custom or by law on which normal activities, especially business or work including school, are suspended or reduced. Generally, holidays are intended to allow individuals to celebrate or commemorate an event or tradition of cultural or religious...
elite-dangerous.fandom.com
It's part of the January update, new system states. I believe you either need to wait for it to end, or fly to a different system. I haven't seen this myself and not sure how long it might last. On that Inara page that d8veh linked to it shows the system in holiday and has a 1 next to it. Could that be the remaining days? I don't know enough about it. But the dudes who would gas up and fix your ship are not at work today it would seem.