Fatal error: Uncaught Exception: Cannot instantiate class. Class "ClassTypeDescription" is not declared in "lib.pkp.classes.filter.ClassTypeDescription". in /home/riedwebs/public_html/nuevo/lib/pkp/includes/functions.php:112 Stack trace: #0 /home/riedwebs/public_html/nuevo/lib/pkp/classes/filter/TypeDescriptionFactory.php(101): instantiate() #1 /home/riedwebs/public_html/nuevo/lib/pkp/classes/filter/Filter.php(177): PKP\filter\TypeDescriptionFactory->instantiateTypeDescription() #2 /home/riedwebs/public_html/nuevo/lib/pkp/classes/filter/Filter.php(118): PKP\filter\Filter->setTransformationType() #3 /home/riedwebs/public_html/nuevo/lib/pkp/classes/filter/PersistableFilter.php(78): PKP\filter\Filter->__construct() #4 /home/riedwebs/public_html/nuevo/lib/pkp/classes/metadata/MetadataDataObjectAdapter.php(70): PKP\filter\PersistableFilter->__construct() #5 /home/riedwebs/public_html/nuevo/lib/pkp/classes/filter/FilterDAO.php(506): PKP\metadata\MetadataDataObjectAdapter->__construct() #6 /home/riedwebs/public_html/nuevo/lib/pkp/classes/filter/FilterDAO.php(536): PKP\filter\FilterDAO->_newDataObject() #7 /home/riedwebs/public_html/nuevo/lib/pkp/classes/db/DAOResultFactory.php(135): PKP\filter\FilterDAO->_fromRow() #8 /home/riedwebs/public_html/nuevo/lib/pkp/classes/db/DAOResultFactory.php(246): PKP\db\DAOResultFactory->next() #9 /home/riedwebs/public_html/nuevo/lib/pkp/classes/filter/FilterDAO.php(296): PKP\db\DAOResultFactory->toAssociativeArray() #10 /home/riedwebs/public_html/nuevo/lib/pkp/classes/core/DataObject.php(278): PKP\filter\FilterDAO->getObjectsByTypeDescription() #11 /home/riedwebs/public_html/nuevo/lib/pkp/classes/core/DataObject.php(422): PKP\core\DataObject->getSupportedExtractionAdapters() #12 /home/riedwebs/public_html/nuevo/lib/pkp/plugins/oaiMetadataFormats/dc/PKPOAIMetadataFormat_DC.php(34): PKP\core\DataObject->extractMetadata() #13 /home/riedwebs/public_html/nuevo/plugins/oaiMetadataFormats/dc/OAIMetadataFormat_DC.php(34): PKP\plugins\oaiMetadataFormats\dc\PKPOAIMetadataFormat_DC->toXml() #14 /home/riedwebs/public_html/nuevo/lib/pkp/classes/oai/OAI.php(831): APP\plugins\oaiMetadataFormats\dc\OAIMetadataFormat_DC->toXml() #15 /home/riedwebs/public_html/nuevo/lib/pkp/classes/oai/OAI.php(572): PKP\oai\OAI->formatMetadata() #16 /home/riedwebs/public_html/nuevo/lib/pkp/classes/oai/OAI.php(95): PKP\oai\OAI->ListRecords() #17 /home/riedwebs/public_html/nuevo/pages/oai/OAIHandler.php(49): PKP\oai\OAI->execute() #18 [internal function]: APP\pages\oai\OAIHandler->index() #19 /home/riedwebs/public_html/nuevo/lib/pkp/classes/core/PKPRouter.php(327): call_user_func() #20 /home/riedwebs/public_html/nuevo/lib/pkp/classes/core/PKPPageRouter.php(249): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #21 /home/riedwebs/public_html/nuevo/lib/pkp/classes/core/Dispatcher.php(157): PKP\core\PKPPageRouter->route() #22 /home/riedwebs/public_html/nuevo/lib/pkp/classes/core/PKPApplication.php(429): PKP\core\Dispatcher->dispatch() #23 /home/riedwebs/public_html/nuevo/index.php(21): PKP\core\PKPApplication->execute() #24 {main} thrown in /home/riedwebs/public_html/nuevo/lib/pkp/includes/functions.php on line 112