Using your city:"49.1811, -0.375565",
I get this:
If the api has no data (events) for Caen, that can not be helped.
When I use city:"Caen, France",
I get this:
So, the module is working. I added the ability to use coordinates for you. If the api does not give back events for those coordinates it means the api does not have data in the free api for that location. I suggested you increase the radius and you asked, ‘and how to Increase the radius ?’ My answer to that is, Look at the new config in the readme. I mentioned that 2 posts above.
I 've made a mistacke but I don’t know where :
No, you haven’t. You showed me that the module is working. You’re just not seeing the results you expected