I am having similar issue, some of the devices doesn’t show sensors like temperature and voltage while others do and its from the same vendor and EOS version and same datacenter.
I have another issue that for some devices the all of its ports being marked as deleted and then come back again, keep disappearing from device ports.
I have the latest version of Librenms 1.62-4
I tried everything without any help, i would be thankful if someone can assist ASAP
I reduced the max-repeaters number and it seem that it helped