I have problem's with the installing of jommlacomment! In the directory (com_mmsblog) is missing the XML-Setup.

After installing jommlacomment the error says:

There was a problem with your installation

error when moving /www/htdocs/v0../joomla/administrator/components/com_comment/plugin/joscomment.php
TO /www/htdocs/vo../joomla/plugins/content/joscomment.php

Please, contact the support.
Thanks.
error when moving /www/htdocs/v0../joomla/administrator/components/com_comment/plugin/joscomment.xml
TO /www/htdocs/v0../joomla/plugins/content/joscomment.xml

error when moving /www/htdocs/v0../joomla/administrator/components/com_comment/plugin/josccleancache.php
TO /www/htdocs/v0../joomla/plugins/system/josccleancache.php

error when moving /www/htdocs/v0../joomla/administrator/components/com_comment/plugin/josccleancache.xml
TO /www/htdocs/v0../joomla/plugins/system/josccleancache.xml