onError method
Called when an exception was occurred during the request.
Implementation
@override
void onError(DioException err, ErrorInterceptorHandler handler) {
log('${DateTime.now()}');
log('❌ Dio Error!');
log('❌ Url: ${err.requestOptions.uri}');
log('❌ ${err.stackTrace}');
log('❌ Response Error: ${err.response?.data}');
return handler.next(err);
}