When the results of the Pre-Update System Validation are presented to the screen before upgrading Aria Operations, there are gaps in the text and you are unable to read the Warning.
For example, there will be a warning icon but the text after that Warning appears blank.
Aria Operations 8.x
There is a screen or browser issue preventing display of the text for the warning.
You can review the details of this Pre-Update System Validation using the system log. The results can be found on the node here:
/storage/log/var/log/vmware/vcops/vcops_upgrade_validation_<Date_ID>.log