I preformed some major house-cleaning of the applications deployed on the quick-hosting server, and it should be accessible once more.
However, according to the log (accessible via the Show Log button), your application include at least one errors, which must be fixed in order for the application to load. Please make sure the uploaded app has no validation errors. If your application has no validation errors (the validation functionality is not 100%), have a look at the last model identified in the log and verify that it is implemented correctly (including types defined on slots).
Sorry for the late response, we've been very busy using Tersus ourselves. We shall try to be more responsive in the future.
For best results, use the Firefox browser..