Hello, Thanks for your post. We are aware of this and a fix is planned for the upcoming release.
Please uninstall all of the packages including the config files and then reinstall the required packages.

$ sudo apt-get --auto-remove purge srvadmin-*

Please let us know if this resolves your issue.

Thanks
Sahil

I managed to install 8.4 but it's not working in most used cases

# omreport chassis temps
I/O warning : failed to load external entity "/opt/dell/srvadmin//var/lib/openmanage/xslroot//oma/cli/omclpr.xsl"
error
xsltParseStylesheetFile : cannot parse /opt/dell/srvadmin//var/lib/openmanage/xslroot//oma/cli/omclpr.xsl
Error! XML Transformation failed

with srvadmin-base

With srvadmin-all I get 

# omreport system summary
Error! Invalid INI file: omcli64.ini

I hit the same issue on some servers here, solution was to

• remove all packages as described above
• rm -rf /opt/dell/srvadmin/
• install packages again.

Note that srvadmin-base also needs srvadmin-omcommon installed.