After moving Page from development server to live server I get an Error Message

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An unexpected error occurred.
Symfony\Component\ClassLoader\MapClassLoader::loadClass(): Failed opening required '/kunden/homepages/7/d133453/htdocs/page/packages/redactor_icons/controller.php' (include_path='/homepages/7/d133453/htdocs/page/updates/concrete5.7.5.6/concrete/vendor:.:/usr/lib/php5.6')

Please Help me I'am not sure how to solve it!