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a:1:{s:8:"26_26132";a:5:{s:5:"insid";s:8:"26_26132";s:8:"from_ver";s:3:"6.0";s:6:"to_ver";s:5:"6.8.1";s:10:"error_code";i:1;s:5:"error";s:129:"Backup was not successful so aborting the upgrade process. Following are the details : The Installation Directory does not exist.";}}