Request Not Successful (500)

Hello, I need some help , I have installed on my RPI4 2GB new HA installation after I broke by accident my previous micro SD card, all well up here HA installed and booted fine, then I installed ESPHOME. When I try now to add my Smart Liquid Sensor https://www.youtube.com/watch?v=VuHMolzT_3o following KPeynaski instructions get the Request Not Successful (500) and can not add my sensor any ideas how to solve this I have search the Internet found no solution, did the HA installation again, did not help. How do you solve this Request Not Successful (500) error? My ESPhome version 2023.9.1my HA version 2023.9.3