As described in the subject. Most of panels in Overview against the older version instances which are yet to be upgraded to 8.0.6 are not populated correctly. Resource Usage tab also shows many panels and information are broken too.
When I tried to run the same broken searches seprately, it has error messages like,
Hi @sylim_splunk this looks like a known issue kind of thing. maybe this should be added(if not yet) to the release notes, with your solution as the workaround, so that whenever splunkers will upgrade they will resolve this issue by referring the release notes (as googling, at times, does not pick the right post).