These error messages are confusing after installation attempt:

What do they indicate?

error when moving .... administrator/components/com_comment/plugin/joscomment.php
TO /var/www/vhosts .... plugins/content/joscomment.php

error when moving /var/www/vhosts......administrator/components/com_comment/plugin/joscomment.xml
TO /var/www/vhosts......../plugins/content/joscomment.xml

error when moving /var/www/vhosts......./administrator/components/com_comment/plugin/josccleancache.php
TO /var/www/vhosts/......../plugins/system/josccleancache.php

error when moving /var/www/vhosts........administrator/components/com_comment/plugin/josccleancache.xml
TO /var/www/vhosts........plugins/system/josccleancache.xml

Please help. Thanks.

Sincerely,
Boyd Reimer