Warning: include(JrcContentBlockController.php) [function.include]: failed to open stream: No such file or directory in /var/www/html/concrete5/packages/jrc/libraries/Zend/Loader.php on line 83

Warning: include() [function.include]: Failed opening 'JrcContentBlockController.php' for inclusion (include_path='/var/www/html/concrete5/packages/jrc/libraries/../libraries/:.:/php/includes:/usr/local/lib/php:/usr/local/php/lib/php:/var/www/html/concrete5/libraries/3rdparty:/var/www/html/concrete5/updates/concrete5.4.1.1/concrete/config/../libraries/3rdparty') in /var/www/html/concrete5/packages/jrc/libraries/Zend/Loader.php on line 83

Fatal error: Page::supportsPageCache() [<a href='page.supportspagecache'>page.supportspagecache</a>]: The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition &quot;ImageBlockController&quot; of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide a __autoload() function to load the class definition in /var/www/html/concrete5/updates/concrete5.4.1.1/concrete/models/page.php on line 2099