Raspberry PI Sensors aren't visible for new device

I’ve added a new Raspberry PI device but can’t get the sensors to work.
The Voltage and Frequency doesn’t show on the device page.

The discovery shows the correct values:

Load disco module sensors

Pre-cache linux: RaspberryPi SNMP[[0;36m/usr/bin/snmpbulkwalk -v2c -c COMMUNITY -OQUs -M /opt/librenms/mibs:/opt/librenms/mibs/supermicro:/opt/librenms/mibs/dell udp:HOSTNAME:161 .1.3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121[0m]
iso..1.8....121.1 = “51.0”
iso.
.1.8*....121.2 = “1.3438”
iso.
.1.8*....121.3 = “1.2000”
iso.
.1.8*....121.4 = “1.2000”
iso.
.1.8*....121.5 = “1.2250”
iso.
.1.8*....121.6 = “1200002000”
iso.
.1.8*....121.7 = “400000000”
iso.
.1.8*....121.8 = “disabled”
iso.
.1.8*....121.9 = “disabled”
iso.
.1.8*....121.10 = “disabled”
iso.
.1.8*....121.11 = “disabled”
iso.
.1.8*....121.12 = “disabled”
iso.
.1.8*....121.13 = “disabled”
iso.
.1.8*....121.14 = “H264=disabled”
iso.
.1.8*....121.15 = “MPG2=disabled”
iso.
.1.8*....121.16 = “WVC1=disabled”
iso.
.1.8*....121.17 = “MPG4=disabled”
iso.
.1.8*....121.18 = “MJPG=disabled”
iso.
.1.8*....121.19 = “WMV9=disabled”
iso.
.1.8*....121.20 = “WMV9=disabled”
iso.
.1.8*....121.21 = “H264=1”
iso.
.1.8*....121.22 = “MPG2=1”
iso.
.1.8*....121.23 = “WVC1=1”
iso.
.1.8*....121.24 = “MPG4=1”
iso.
.1.8*....121.25 = “MJPG=1”
iso.
.1.8*...*.121.26 = “WMV9=1”

Array
(
[raspberry_pi_sensors] => Array
(
[3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.1] => Array
(
[iso] => 51.0
)

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.2] => Array
            (
                [iso] => 1.3438
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.3] => Array
            (
                [iso] => 1.2000
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.4] => Array
            (
                [iso] => 1.2000
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.5] => Array
            (
                [iso] => 1.2250
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.6] => Array
            (
                [iso] => 1200002000
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.7] => Array
            (
                [iso] => 400000000
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.8] => Array
            (
                [iso] => disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.9] => Array
            (
                [iso] => disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.10] => Array
            (
                [iso] => disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.11] => Array
            (
                [iso] => disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.12] => Array
            (
                [iso] => disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.13] => Array
            (
                [iso] => disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.14] => Array
            (
                [iso] => H264=disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.15] => Array
            (
                [iso] => MPG2=disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.16] => Array
            (
                [iso] => WVC1=disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.17] => Array
            (
                [iso] => MPG4=disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.18] => Array
            (
                [iso] => MJPG=disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.19] => Array
            (
                [iso] => WMV9=disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.20] => Array
            (
                [iso] => WMV9=disabled
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.21] => Array
            (
                [iso] => H264=1
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.22] => Array
            (
                [iso] => MPG2=1
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.23] => Array
            (
                [iso] => WVC1=1
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.24] => Array
            (
                [iso] => MPG4=1
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.25] => Array
            (
                [iso] => MJPG=1
            )

        [3.6.1.4.1.8072.1.3.2.4.1.2.9.114.97.115.112.98.101.114.114.121.26] => Array
            (
                [iso] => WMV9=1
            )

    )

)

====================================

Component Version
LibreNMS 1.43-40-gaf7539ff3
DB Schema 265
PHP 7.2.7-0ubuntu0.18.04.2
MySQL 5.7.23-0ubuntu0.18.04.1
RRDTool 1.7.0
SNMP NET-SNMP 5.7.3

====================================

[OK] Composer Version: 1.7.2
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct

Discovery: https://p.libren.ms/view/1b759c5c
Poller: https://p.libren.ms/view/79d243b7