Fatal error: Uncaught exception 'Zend_Log_Exception' with message '"/disk-b/srv/res/versions/2.4.mobile/application/../logs/app.log" cannot be opened with mode "a"' in /usr/app/res/Zend/Log/Writer/Stream.php:78 Stack trace: #0 /disk-b/srv/res/versions/2.4.mobile/library/Res/Log.php(49): Zend_Log_Writer_Stream->__construct('/disk-b/srv/res...') #1 /disk-b/srv/res/versions/2.4.mobile/library/RES.php(61): Res_Log->__construct() #2 /disk-b/srv/res/versions/2.4.mobile/application/Bootstrap.php(89): RES::log() #3 /usr/app/res/Zend/Application/Bootstrap/BootstrapAbstract.php(665): Bootstrap->_initLogging() #4 /usr/app/res/Zend/Application/Bootstrap/BootstrapAbstract.php(618): Zend_Application_Bootstrap_BootstrapAbstract->_executeResource('logging') #5 /usr/app/res/Zend/Application/Bootstrap/BootstrapAbstract.php(582): Zend_Application_Bootstrap_BootstrapAbstract->_bootstrap(NULL) #6 /usr/app/res/Zend/Application.php(355): Zend_Application_Bootstrap_BootstrapAbstract->bootstrap(NULL) #7 /disk-b/srv/res/versions/2.4.mobile/public_ in /usr/app/res/Zend/Log/Writer/Stream.php on line 78