url not defined

url not defined!!
i was disabling all plugins and deleted the piwik user and the site in piwik. still getting no urls.

may have a look at http://www.holzkunst-conrad.de

if you could not help please provide a link where to get help.
piwik forum gives no answer to my question. the question was asked about 10 times without a solution.

https://ww.wp.xz.cn/plugins/wp-piwik/