This problem has been recovered already.
Some of our customers could not access ‘Questetra BPM Suite SaaS Edition’ because access trouble has occurred in term of 23:00 on April 1 to 14:56 on April 2. We deeply apologize to you customers for inconvenience during the period.
Occurred：Mon, Apr. 1, 2013 23:00 (JST) [+09:00]
Recovered：Tue, Apr. 2, 2013 14:56 (JST) [+09:00]
Cannot access to the following URL for partial customers of Free SaaS Edition, ‘https://fs.questetra.net/009xxxxx/’
Cause of Trouble
Because of a lack of resource on the server, unable to respond to requests of part of user.
Changed the server machine setting, and rebooted the application.