JEvents Referencing Old Joomla Temaplate.css

I am getting the following error:

[Thu Dec 06 20:57:17 2018] [error] [client 66.249.75.30] File does not exist: /mnt/data/vhosts/http://casite-xxxxxx.cloudaccess.net/httpdocs/templates/my-template/css/template.css, referer: https://www.911tap.org/9-11-tap-events/911tap-events-calendar/eventsbyday/2018/12/12/195?pop=1&tmpl=component

I renamed template.css to something else and changed the name in index.php to:

JHtml::_('stylesheet', 'new-template-name.css', array('version' => 'auto', 'relative' => true));

And thought I updated everything that I needed to update, but I guess jEvents needs to be updated as well.

Can you tell me where to go to edit the events the PHP files to reflect this new template.css name?