Bresser and battery messages

With my Bresser 6in1 I always get this kind of messages in home assistant:

Logger: homeassistant.helpers.template

Quelle: helpers/template/_init_.py:672

Erstmals aufgetreten: 22:26:15 (21 Vorkommnisse)

Zuletzt protokolliert: 22:35:27

Error parsing value: ‘dict object’ has no attribute ‘battery_ok’ (value: {“model”:“Bresser-6in1”,“id”:1485138178,“channel”:0,“sensor_type”:1,“wind_max_m_s”:1.9,“wind_avg_m_s”:1.7,“wind_dir_deg”:248,“rain_mm”:507.2,“startup”:1,“flags”:1,“mic”:“CRC”,“protocol”:“Bresser Weather Center 6-in-1, 7-in-1 indoor, soil, new 5-in-1, 3-in-1 wind gauge, Froggit WH6000, Ventus C8488A”,“rssi”:-72,“duration”:32995}, template: {{ value_json.battery_ok | is_defined }})

Error parsing value: ‘dict object’ has no attribute ‘battery_ok’ (value: {“model”:“Bresser-6in1”,“id”:1485138178,“channel”:0,“sensor_type”:1,“wind_max_m_s”:1.1,“wind_avg_m_s”:1.1,“wind_dir_deg”:248,“rain_mm”:507.2,“startup”:1,“flags”:1,“mic”:“CRC”,“protocol”:“Bresser Weather Center 6-in-1, 7-in-1 indoor, soil, new 5-in-1, 3-in-1 wind gauge, Froggit WH6000, Ventus C8488A”,“rssi”:-74,“duration”:32996}, template: {{ value_json.battery_ok | is_defined }})

Error parsing value: ‘dict object’ has no attribute ‘battery_ok’ (value: {“model”:“Bresser-6in1”,“id”:1485138178,“channel”:0,“sensor_type”:1,“wind_max_m_s”:1.3,“wind_avg_m_s”:1.2,“wind_dir_deg”:248,“rain_mm”:507.2,“startup”:1,“flags”:1,“mic”:“CRC”,“protocol”:“Bresser Weather Center 6-in-1, 7-in-1 indoor, soil, new 5-in-1, 3-in-1 wind gauge, Froggit WH6000, Ventus C8488A”,“rssi”:-73,“duration”:32996}, template: {{ value_json.battery_ok | is_defined }})

Error parsing value: ‘dict object’ has no attribute ‘battery_ok’ (value: {“model”:“Bresser-6in1”,“id”:1485138178,“channel”:0,“sensor_type”:1,“wind_max_m_s”:1.6,“wind_avg_m_s”:1.4,“wind_dir_deg”:248,“rain_mm”:507.2,“startup”:1,“flags”:1,“mic”:“CRC”,“protocol”:“Bresser Weather Center 6-in-1, 7-in-1 indoor, soil, new 5-in-1, 3-in-1 wind gauge, Froggit WH6000, Ventus C8488A”,“rssi”:-73,“duration”:32996}, template: {{ value_json.battery_ok | is_defined }})

Error parsing value: ‘dict object’ has no attribute ‘battery_ok’ (value: {“model”:“Bresser-6in1”,“id”:1485138178,“channel”:0,“sensor_type”:1,“wind_max_m_s”:1.2,“wind_avg_m_s”:1.2,“wind_dir_deg”:248,“rain_mm”:507.2,“startup”:1,“flags”:1,“mic”:“CRC”,“protocol”:“Bresser Weather Center 6-in-1, 7-in-1 indoor, soil, new 5-in-1, 3-in-1 wind gauge, Froggit WH6000, Ventus C8488A”,“rssi”:-87,“duration”:32996}, template: {{ value_json.battery_ok | is_defined }})