I didn’t understand that I had the istant bookimg activates and I’ve been charged $50

[Laura1202]

I didn’t understand that I had the istant booking active and I’ve been charged $50 for cancel a booking 

[Marzena4]

It is the host's responsibility to learn about the platform they want to use, @Laura1202. You may try to explain it to Airbnb Customer Service - use Twitter or the form: https://www.airbnb.com/help/contact_us#/ to contact them. But I doubt it will help...