How to ré Access to ringtone.on Xiaomi gateway

Configuration
1

Hi
Hello, I am very embarrassed, since I made the integration of the Xiaomi gateway (which worked perfectly before) no longer works on the Ringtone, I can no longer release it, I no longer have a doorbell, folds nothing works … . Does someone have an idea ? Thank youHi
Hello, I am very embarrassed, since I made the integration of the Xiaomi gateway (which worked perfectly before) no longer works on the Ringtone, I can no longer release it, I no longer have a doorbell, folds nothing works … . Does someone have an idea ? Thank you

2

Please hello me