When upgrading Aria Operations from version 8.14 (or earlier) to 8.16 (or later), the process fails with the following error:
"FailedThe PAK action "new_validate" script "source ./pak_python_wrapper.sh validate.py" failed"
The environment contains Remote Collector(s) or Cloud Proxy instance(s) of type Remote Collector.
Aria Operations version 8.14 or earlier
From version 8.16 onwards, Remote Collectors and Lite Cloud Proxies (converted Remote Collectors with restricted features) are no longer supported.
Please refer to "What's New" section of VMware Aria Operations 8.16 Release Notes or VMware Aria Operations 8.18 Release Notes
Upgrading to version 8.16 or later requires mandatory redeployment of all Remote Collectors / Lite Cloud Proxies with new Cloud Proxy.
Please follow Procedure to Replace Remote Collector / Redeploy Cloud Proxy. from the KB article for resolution.