[Решено] Joomla 3, установочный XML плагина, что не так

<?xml version="1.0" encoding="utf-8"?>
<install version="3.0" type="plugin" group="content">
	<name>slider</name>
	<author>Name</author>
	<creationDate>2015</creationDate>
	<copyright>Copyright (C) 2015</copyright>
	<license>http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL</license>
	<authorEmail>name@domen.com</authorEmail>
	<authorUrl>domen.com</authorUrl>
	<version>3.0</version>
	<description>slider</description>
	<files>
		<filename plugin="sliderplugin">sliderplugin.php</filename>
		<filename plugin="sliderplugin">sliderplugin.js</filename>
		<filename plugin="sliderplugin">sliderplugin.css</filename>

	</files>
	<params>
		
	</params>
</install>

<extension version="3.4" type="plugin" group="content">

<?xml version="1.0" encoding="utf-8"?>
<extension version="3.4" type="plugin" group="content">
	<name>slider</name>
	<author>Name</author>
	<creationDate>2015</creationDate>
	<copyright>Copyright (C) 2015</copyright>
	<license>http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL</license>
	<authorEmail>name@domen.com</authorEmail>
	<authorUrl>domen.com</authorUrl>
	<version>3.0</version>
	<description>slider</description>
	<files>
		<filename plugin="sliderplugin">sliderplugin.php</filename>
		<filename plugin="sliderplugin">sliderplugin.js</filename>
		<filename plugin="sliderplugin">sliderplugin.css</filename>

	</files>
	<params>

          <files>
		<filename plugin="sliderplugin">sliderplugin.php</filename>
		<filename>sliderplugin.js</filename>
		<filename>sliderplugin.css</filename>
	</files>

<?xml version="1.0" encoding="utf-8"?>
<extension version="3.4" type="plugin" group="content">
	<name>slider</name>
	<author>Name</author>
	<creationDate>2015</creationDate>
	<copyright>Copyright (C) 2015</copyright>
	<license>http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL</license>
	<authorEmail>name@domen.com</authorEmail>
	<authorUrl>domen.com</authorUrl>
	<version>3.0</version>
	<description>slider</description>
	<files>
		<filename plugin="sliderplugin">sliderplugin.php</filename>
		<filename plugin="sliderplugin">sliderplugin.js</filename>
		<filename plugin="sliderplugin">sliderplugin.css</filename>

	</files>
	<params>

<?xml version="1.0" encoding="utf-8"?>
<extension version="3.4" type="plugin" group="content">
	<name>slider</name>
	<author>Name</author>
	<creationDate>2015</creationDate>
	<copyright>Copyright (C) 2015</copyright>
	<license>http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL</license>
	<authorEmail>name@domen.com</authorEmail>
	<authorUrl>domen.com</authorUrl>
	<version>3.0</version>
	<description>slider</description>
	<files>
		<filename plugin="sliderplugin">sliderplugin.php</filename>
		<filename>sliderplugin.js</filename>
		<filename>sliderplugin.css</filename>
	</files>
</extension>