[aegir@dpadmdevl11 drush]$ ./drush provision-save '@hostmaster' --context_type='site' --uri='aegirdevl.webi.it.ubc.ca' --platform='@platform_drupal619' --server='@server_master' --db_server='@server_localhost' --profile='hostmaster' --client_name='admin'
PHP Fatal error:  Call to a member function setContext() on a non-object in /www_data/aegir/.drush/provision/provision.context.server.inc on line 117

Fatal error: Call to a member function setContext() on a non-object in /www_data/aegir/.drush/provision/provision.context.server.inc on line 117
Drush command terminated abnormally due to an unrecoverable error.                                                [error]
Error: Call to a member function setContext() on a non-object in
/www_data/aegir/.drush/provision/provision.context.server.inc, line 117