Sindbad~EG File Manager

a:2:{s:8:"26_12181";a:5:{s:5:"insid";s:8:"26_12181";s:8:"from_ver";s:5:"5.6.4";s:6:"to_ver";N;s:10:"error_code";i:1;s:5:"error";s:192:"This installation does not meet the Upgrade requirements. Hence it cannot be auto upgraded. Following are the details :
The installation files are missing hence cannot proceed with the upgrade";}s:8:"26_73418";a:5:{s:5:"insid";s:8:"26_73418";s:8:"from_ver";s:6:"5.3.16";s:6:"to_ver";N;s:10:"error_code";i:1;s:5:"error";s:210:"The pre upgrade checks FAILED as external URL(s) could not be accessed.
 This might be due to allow_url_fopen() disabled on your server or CURL failed to access the URL. Hence Auto upgrade can not be performed.";}}