api error

```
I/flutter (20974): Log [https://markets.smartersvision.com/api/settings] | (initSettings (package:markets/src/repository/settings_repository.dart:46:34))
I/flutter (20974): NoSuchMethodError: The getter 'length' was called on null.
I/flutter (20974): Receiver: null
I/flutter (20974): Tried calling: length

```