Upgrade to 2.16.1 failed

When upgrading to 2.16.1, the webpage never came back. I downloaded the zip file and put it in the piwik folder but now I get the following message on every “dashboard block” or another screen.
“Error: ViewDataTable ID ‘table’ is already in use!”

What is the solution?
Mike

See Deleting outdated files may not work during the upgrade and 1) fail silently, 2) not executed during manual updates · Issue #7986 · matomo-org/piwik · GitHub