Alguien podria indicarme de porqué me aparece el sgte error cuando deseo ingresar en Docentes->Administrar [?php /** * autoDocente actions. * * @package ##PROJECT_NAME## * @subpackage autoDocente * @author Fabien Potencier * @version SVN: $Id: actions.class.php 3501 2007-02-18 10:28:17Z fabien $ */ class autoDocenteActions extends sfActions { public function executeIndex() { return $this->forward('docente', 'list'); } public function executeList() { $this->processSort(); $this->processFilters(); $this->filters = $this->getUser()->getAttributeHolder()->getAll('sf_admin/docente/filters'); // pager $this->pager = new sfPropelPager('Docente', 20); $c = new Criteria(); $this->addSortCriteria($c); $this->addFiltersCriteria($c); $this->pager->setCriteria($c); $this->pager->setPage($this->getRequestParameter('page', 1)); $this->pager->init(); } public function executeCreate() { return $this->forward('docente', 'edit'); } public function executeSave() { return $this->forward('docente', 'edit'); } public function executeEdit() { $this->docente = $this->getDocenteOrCreate(); if ($this->getRequest()->getMethod() == sfRequest::POST) { $this->updateDocenteFromRequest(); $this->saveDocente($this->docente); $this->setFlash('notice', 'Your modifications have been saved'); if ($this->getRequestParameter('save_and_add')) { return $this->redirect('docente/create'); } else if ($this->getRequestParameter('save_and_list')) { return $this->redirect('docente/list'); } else { return $this->redirect('docente/edit?id='.$this->docente->getId()); } } else { $this->labels = $this->getLabels(); } } public function executeDelete() { $this->docente = DocentePeer::retrieveByPk($this->getRequestParameter('id')); $this->forward404Unless($this->docente); try { $this->deleteDocente($this->docente); } catch (PropelException $e) { $this->getRequest()->setError('delete', 'Could not delete the selected Docente. Make sure it does not have any associated items.'); return $this->forward('docente', 'list'); } return $this->redirect('docente/list'); } public function handleErrorEdit() { $this->preExecute(); $this->docente = $this->getDocenteOrCreate(); $this->updateDocenteFromRequest(); $this->labels = $this->getLabels(); return sfView::SUCCESS; } protected function saveDocente($docente) { $docente->save(); Desde ya, muchisimas gracias