cache_dir is not writable


#0 /var/www/wkiep.mazovia.pl/library/Zend/Cache/Backend/File.php(157): Zend_Cache::throwException('cache_dir is no...')
#1 /var/www/wkiep.mazovia.pl/library/Zend/Cache/Backend/File.php(121): Zend_Cache_Backend_File->setCacheDir('/var/www/wkiep....')
#2 /var/www/wkiep.mazovia.pl/library/Zend/Cache.php(153): Zend_Cache_Backend_File->__construct(Array)
#3 /var/www/wkiep.mazovia.pl/library/Zend/Cache.php(94): Zend_Cache::_makeBackend('File', Array, false, false)
#4 /var/www/wkiep.mazovia.pl/library/Zextend/Cache.php(103): Zend_Cache::factory('Core', 'File', Array, Array)
#5 /var/www/wkiep.mazovia.pl/application/Bootstrap.php(42): Zextend_Cache::ini()
#6 /var/www/wkiep.mazovia.pl/library/Zend/Application/Bootstrap/BootstrapAbstract.php(666): Bootstrap->_initConfig()
#7 /var/www/wkiep.mazovia.pl/library/Zend/Application/Bootstrap/BootstrapAbstract.php(619): Zend_Application_Bootstrap_BootstrapAbstract->_executeResource('config')
#8 /var/www/wkiep.mazovia.pl/library/Zend/Application/Bootstrap/BootstrapAbstract.php(583): Zend_Application_Bootstrap_BootstrapAbstract->_bootstrap(NULL)
#9 /var/www/wkiep.mazovia.pl/library/Zend/Application.php(355): Zend_Application_Bootstrap_BootstrapAbstract->bootstrap(NULL)
#10 /var/www/wkiep.mazovia.pl/public/index.php(21): Zend_Application->bootstrap()
#11 {main}