Warning (2): mkdir(): Permission denied [CORE/src/Cache/Engine/FileEngine.php, line 426]

Warning: file_put_contents(/var/www/html/logs/error.log) [function.file-put-contents]: failed to open stream: Permission denied in /var/www/html/vendor/cakephp/cakephp/src/Log/Engine/FileLog.php on line 133

Warning (512): /var/www/html/tmp/cache/persistent/ is not writable [CORE/src/Cache/Engine/FileEngine.php, line 434]

Warning: file_put_contents(/var/www/html/logs/error.log) [function.file-put-contents]: failed to open stream: Permission denied in /var/www/html/vendor/cakephp/cakephp/src/Log/Engine/FileLog.php on line 133
/src/Template/Error/error500.ctp (line 5)