Вывод общей загрузки ЦП и ОЗУ в ESXI

[Dozent]

На борту ESXI 6.7, Zabbix 5.4
ЦП
vmware.hv.hw.cpu.total.percentz[{$URL},{HOST.HOST}]
100*last(//vmware.hv.cpu.usage[{$URL},{HOST.HOST}])/last(//vmware.hv.hw.cpu.total[{$URL},{HOST.HOST}])
ошибку пишет Cannot evaluate function: item "/7733e1c8-3c0e-11ea-842d-cf6cfec6c4f2/vmware.hv.hw.cpu.total[{$URL},{HOST.HOST}]" is not supported at "last(//vmware.hv.hw.cpu.total[{$URL},{HOST.HOST}])".

ОЗУ
vmware.hv.hw.memory.percentz[{$URL},{HOST.HOST}]
100*last(//vmware.hv.memory.used[{$URL},{HOST.HOST}])/last(//vmware.hv.hw.memory[{$URL},{HOST.HOST}])

ошибка Cannot evaluate function: not enough data at "last(//vmware.hv.hw.memory[{$URL},{HOST.HOST}])"