500 - JHtml thumbler not found.

[burgutex]

Thumbler plugin gets null page. Do not work.

[burgutex]

Fatal error: Class 'joomplace\plugins\system\thumbler\Processor' not found in plugins\system\thumbler\thumbler.php on line 29

28 jimport('plugins.system.thumbler.Processor',JPATH_SITE);
29 \joomplace\plugins\system\thumbler\Processor::$params = $this->params->toString();
30 JHtml::register('thumbler.generate','\joomplace\plugins\system\thumbler\Processor::getThumb');