Check_mk: ERROR: Duplicate service description (auto check) 'Disk IO sdb' for host 'thehost'! - 1st occurrence: check plugin / item: diskstat / 'sdb' - 2nd occurrence: check plugin / item: ucd_diskio / 'sdb'

Troubleshooting
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3

Yes, “Disabled or enabled sections (SNMP)” was the solution in our case, followed by “cmk -II” against the affected hosts.
SNMP is used to monitor Dell OpenManage sensors.
Thank you.