SE PRODUJO UNA EXCEPCIÓN

cache_dir "/var/www/www.soloporteros.com/data/cache/es" is not writable
Pila de eventos:
#0 /var/www/www.soloporteros.com/library/Zend/Cache/Backend/File.php(181): Zend_Cache::throwException('cache_dir "/var...')
#1 /var/www/www.soloporteros.com/library/Zend/Cache/Backend/File.php(129): Zend_Cache_Backend_File->setCacheDir('/var/www/www.so...')
#2 /var/www/www.soloporteros.com/library/Zend/Cache.php(153): Zend_Cache_Backend_File->__construct(Array)
#3 /var/www/www.soloporteros.com/library/Zend/Cache.php(94): Zend_Cache::_makeBackend('File', Array, false, false)
#4 /var/www/www.soloporteros.com/library/Motor/controllers/helpers/Cache.php(87): Zend_Cache::factory('Core', 'File', Array, Array)
#5 /var/www/www.soloporteros.com/library/Motor/views/helpers/Url/CategoriaCompleja.php(8): Motor_Helper_Cache::crear(7200, 'Core')
#6 [internal function]: Motor_View_Helper_Url_CategoriaCompleja->_Url_CategoriaCompleja(1, Array, Array, 0, 0, 'Rojo', NULL, false, NULL)
#7 /var/www/www.soloporteros.com/library/Motor/views/helpers/Abstract.php(89): call_user_func_array(Array, Array)
#8 [internal function]: Motor_View_Helper_Abstract->__call('Url_CategoriaCo...', Array)
#9 [internal function]: Motor_View_Helper_Url_CategoriaCompleja->Url_CategoriaCompleja(1, Array, Array, 0, 0, 'Rojo', NULL, false, NULL)
#10 /var/www/www.soloporteros.com/library/Zend/View/Abstract.php(350): call_user_func_array(Array, Array)
#11 /var/www/www.soloporteros.com/library/Motor/views/helpers/FiltroProductos.php(873): Zend_View_Abstract->__call('Url_CategoriaCo...', Array)
#12 /var/www/www.soloporteros.com/library/Motor/views/helpers/FiltroProductos.php(873): Zend_View->Url_CategoriaCompleja(1, Array, Array, 0, 0, 'Rojo', NULL, false, NULL)
#13 /var/www/www.soloporteros.com/library/Motor/views/helpers/FiltroProductos.php(227): Motor_View_Helper_FiltroProductos->filtrosAtributos(Array, 0, 0, 1, Array, Array, Array, Array, 'Rojo', NULL, false)
#14 /var/www/www.soloporteros.com/library/Motor/controllers/ProductosController.php(576): Motor_View_Helper_FiltroProductos->filtrosRefinar(Array, Array, '1', 0, 0, 'Rojo', NULL, false, false)
#15 /var/www/www.soloporteros.com/library/Zend/Controller/Action.php(516): Motor_ProductosController->indexAction()
#16 /var/www/www.soloporteros.com/library/Motor/Dispatcher.php(175): Zend_Controller_Action->dispatch('indexAction')
#17 /var/www/www.soloporteros.com/library/Zend/Controller/Front.php(954): Motor_Dispatcher->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#18 /var/www/www.soloporteros.com/library/Zend/Application/Bootstrap/Bootstrap.php(97): Zend_Controller_Front->dispatch()
#19 /var/www/www.soloporteros.com/library/Zend/Application.php(366): Zend_Application_Bootstrap_Bootstrap->run()
#20 /var/www/www.soloporteros.com/public_html/index.php(74): Zend_Application->run()
#21 {main}