See screenshot. We shouldn't show "#ALL_NS#" in the message of course. In this case, I had the "default" project selected, so I wonder if there's not a more serious bug here.
Created attachment 1634871 [details] Incorrect empty state message for installed operators page
This is only a problem in the empty state message itself and only a bug in 4.3.
When no installed operators for one namespace, it shows No Operators Found No Operators are available for project <project_name>. Verified on 4.3.0-0.nightly-2019-11-13-233341
Created attachment 1636350 [details] CorrectEmptyStateOnInstalledOperatorsPage
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:0062