Fatal error: Uncaught exception 'Zend_Cache_Exception' with message 'cache_dir must be a directory' in /usr/share/php/libzend-framework-php/Zend/Cache.php on line 209

Zend_Cache_Exception: cache_dir must be a directory in /usr/share/php/libzend-framework-php/Zend/Cache.php on line 209

Call Stack:
    0.0001     634904   1. {main}() /home/dubox/vhosts/mygauges.com/mobile/public/index.php:0
    0.0007     713544   2. Bootstrap::run() /home/dubox/vhosts/mygauges.com/mobile/public/index.php:4
    0.0007     713544   3. Bootstrap::prepare() /home/dubox/vhosts/mygauges.com/mobile/application/bootstrap.php:15
    0.0206    2193304   4. Bootstrap::setupModules() /home/dubox/vhosts/mygauges.com/mobile/application/bootstrap.php:32
    0.0208    2195344   5. LT_Modules::findAll() /home/dubox/vhosts/mygauges.com/mobile/application/bootstrap.php:136
    0.0209    2200160   6. LT_Cache::get() /home/dubox/vhosts/mygauges.com/lib/LT/Modules.php:11
    0.0209    2200160   7. LT_Cache::getZendCache() /home/dubox/vhosts/mygauges.com/lib/LT/Cache.php:19
    0.0213    2249888   8. Zend_Cache::factory() /home/dubox/vhosts/mygauges.com/lib/LT/Cache.php:13
    0.0213    2250128   9. Zend_Cache::_makeBackend() /usr/share/php/libzend-framework-php/Zend/Cache.php:94
    0.0221    2420936  10. Zend_Cache_Backend_File->__construct() /usr/share/php/libzend-framework-php/Zend/Cache.php:153
    0.0221    2422568  11. Zend_Cache_Backend_File->setCacheDir() /usr/share/php/libzend-framework-php/Zend/Cache/Backend/File.php:121
    0.0221    2422808  12. Zend_Cache::throwException() /usr/share/php/libzend-framework-php/Zend/Cache/Backend/File.php:154