My workaround (above) worked, but I also had to rename the website configuration file /etc/apache2/sites-enabled/rename 001-zoneminder to 001-zoneminder.conf because of the new version of apache.
My workaround (above) worked, but I also had to rename the website configuration file /etc/apache2/ sites-enabled/ rename 001-zoneminder to 001-zoneminder.conf because of the new version of apache.