Unknown error or not working sensor

[ilyadavydyuk]

Describe the Bug
Can't get this working.
Added library, not added section:
sensor added, but no info.

Added section, not added library:
sensor added, but no info.

Added section and library:
Unknown error.

Add section to existing sensor, with section added:
sensor stop working with error 500.

Old version (0.3.8) working perfect.

HA
Core 2025.7.1
Supervisor 2025.06.2
Operating System 15.2
Frontend 20250702.1

[Makhuta]

Could you post specific logs? (feel free to redact sensitive parts like token, etc.)