According to Broadcom/VMware support, this specific DLL error is considered an to the RVTools application itself rather than a defect in VMware Aria Automation or other Broadcom products. If the error persists after updates, you are advised to contact Dell Technologies support directly, as they currently develop and support the tool.
or higher installed, as modern versions of RVTools (4.7+) require this for stable operation. Check Installation Path rvtools unknown error stsservicedll free