Description of my issue:
During the backup after achieving 25% backup stops, restart several times and failed finally with communicate:
HTTP Status: 500 (Internal Server Error)
Internal status: error
XHR ReadyState: 4
Raw server response:
(HTML containing script tags)
It happens after upgrade from joomla 3.3.6 from 2.5.28. On same server on joomla 2.5, same akeeba (4.1.1), very similar website backup is done without any problems.
Please kindly help