Seeing the error state on the device (Historical Consumption / Cost).
However, testing with curl - everything is fine.
curl -u "sk_live_xxx" "https://api.octopus.energy/v1/electricity-meter-points/xxx/meters/xxx/consumption/"
{"count":673,"next":"https://api.octopus.energy/v1/electricity-meter-points/xxx/meters/xxx/consumption/?page=2","previous":null,"results":[{"consumption":0.302,"interval_start":"2021-03-12T23:30:00Z","interval_end":"2021-03-13T00:00:00Z"},{"consumption":0.303,"interval_start":"2021-03-12T23:00:00Z","interval_end":"2021-03-12T23:30:00Z"},{"consumption":0.63,"interval_start":"2021-03-12T22:30:00Z","interval_end":"2021-03-12T23:00:00Z"},{"consumption":0.523,"interval_start":"2021-03-12T22:00:00Z","interval_end":"2021-03-12T22:30:00Z"},{"consumption":0.324,"interval_start":"2021-03-12T21:30:00Z","interval_end":"2021-03-12T22:00:00Z"},{"consumption":0.797,"interval_start":"2021-03-12T21:00:00Z","interval_end":"2021-03-12T21:30:00Z"},{"consumption":0.349,"interval_start":"2021-03-12T20:30:00Z","interval_end":"2021-03-12T21:00:00Z"},{"consumption":0.28,"interval_start":"2021-03-12T20:00:00Z","interval_end":"2021-03-12T20:30:00Z"},{"consumption":0.31,"interval_start":"2021-03-12T19:30:00Z","interval_end":"2021-03-12T20:00:00Z"},{"consumption":0.307,"interval_start":"2021-03-12T19:00:00Z","interval_end":"2021-03-12T19:30:00Z"},{"consumption":0.257,"interval_start":"2021-03-12T18:30:00Z","interval_end":"2021-03-12T19:00:00Z"},{"consumption":0.254,"interval_start":"2021-03-12T18:00:00Z","interval_end":"2021-03-12T18:30:00Z"},{"consumption":0.277,"interval_start":"2021-03-12T17:30:00Z","interval_end":"2021-03-12T18:00:00Z"},{"consumption":0.305,"interval_start":"2021-03-12T17:00:00Z","interval_end":"2021-03-12T17:30:00Z"},{"consumption":0.255,"interval_start":"2021-03-12T16:30:00Z","interval_end":"2021-03-12T17:00:00Z"},{"consumption":0.227,"interval_start":"2021-03-12T16:00:00Z","interval_end":"2021-03-12T16:30:00Z"},{"consumption":0.271,"interval_start":"2021-03-12T15:30:00Z","interval_end":"2021-03-12T16:00:00Z"},{"consumption":0.222,"interval_start":"2021-03-12T15:00:00Z","interval_end":"2021-03-12T15:30:00Z"},{"consumption":0.233,"interval_start":"2021-03-12T14:30:00Z","interval_end":"2021-03-12T15:00:00Z"},{"consumption":0.246,"interval_start":"2021-03-12T14:00:00Z","interval_end":"2021-03-12T14:30:00Z"},{"consumption":0.202,"interval_start":"2021-03-12T13:30:00Z","interval_end":"2021-03-12T14:00:00Z"},{"consumption":0.239,"interval_start":"2021-03-12T13:00:00Z","interval_end":"2021-03-12T13:30:00Z"},{"consumption":0.268,"interval_start":"2021-03-12T12:30:00Z","interval_end":"2021-03-12T13:00:00Z"},{"consumption":0.287,"interval_start":"2021-03-12T12:00:00Z","interval_end":"2021-03-12T12:30:00Z"},{"consumption":0.272,"interval_start":"2021-03-12T11:30:00Z","interval_end":"2021-03-12T12:00:00Z"},{"consumption":0.268,"interval_start":"2021-03-12T11:00:00Z","interval_end":"2021-03-12T11:30:00Z"},{"consumption":0.588,"interval_start":"2021-03-12T10:30:00Z","interval_end":"2021-03-12T11:00:00Z"},{"consumption":0.495,"interval_start":"2021-03-12T10:00:00Z","interval_end":"2021-03-12T10:30:00Z"},{"consumption":0.679,"interval_start":"2021-03-12T09:30:00Z","interval_end":"2021-03-12T10:00:00Z"},{"consumption":1.507,"interval_start":"2021-03-12T09:00:00Z","interval_end":"2021-03-12T09:30:00Z"},{"consumption":1.628,"interval_start":"2021-03-12T08:30:00Z","interval_end":"2021-03-12T09:00:00Z"},{"consumption":1.663,"interval_start":"2021-03-12T08:00:00Z","interval_end":"2021-03-12T08:30:00Z"},{"consumption":0.701,"interval_start":"2021-03-12T07:30:00Z","interval_end":"2021-03-12T08:00:00Z"},{"consumption":0.632,"interval_start":"2021-03-12T07:00:00Z","interval_end":"2021-03-12T07:30:00Z"},{"consumption":0.631,"interval_start":"2021-03-12T06:30:00Z","interval_end":"2021-03-12T07:00:00Z"},{"consumption":0.598,"interval_start":"2021-03-12T06:00:00Z","interval_end":"2021-03-12T06:30:00Z"},{"consumption":0.601,"interval_start":"2021-03-12T05:30:00Z","interval_end":"2021-03-12T06:00:00Z"},{"consumption":0.681,"interval_start":"2021-03-12T05:00:00Z","interval_end":"2021-03-12T05:30:00Z"},{"consumption":0.757,"interval_start":"2021-03-12T04:30:00Z","interval_end":"2021-03-12T05:00:00Z"},{"consumption":0.71,"interval_start":"2021-03-12T04:00:00Z","interval_end":"2021-03-12T04:30:00Z"},{"consumption":0.926,"interval_start":"2021-03-12T03:30:00Z","interval_end":"2021-03-12T04:00:00Z"},{"consumption":1.201,"interval_start":"2021-03-12T03:00:00Z","interval_end":"2021-03-12T03:30:00Z"},{"consumption":1.457,"interval_start":"2021-03-12T02:30:00Z","interval_end":"2021-03-12T03:00:00Z"},{"consumption":2.215,"interval_start":"2021-03-12T02:00:00Z","interval_end":"2021-03-12T02:30:00Z"},{"consumption":2.243,"interval_start":"2021-03-12T01:30:00Z","interval_end":"2021-03-12T02:00:00Z"},{"consumption":0.691,"interval_start":"2021-03-12T01:00:00Z","interval_end":"2021-03-12T01:30:00Z"},{"consumption":0.642,"interval_start":"2021-03-12T00:30:00Z","interval_end":"2021-03-12T01:00:00Z"},{"consumption":0.722,"interval_start":"2021-03-12T00:00:00Z","interval_end":"2021-03-12T00:30:00Z"},{"consumption":0.711,"interval_start":"2021-03-11T23:30:00Z","int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