a:1:{s:8:"26_22715";a:5:{s:5:"insid";s:8:"26_22715";s:8:"from_ver";s:5:"6.4.1";s:6:"to_ver";s:5:"6.4.2";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.";}}