This gets the right error message on failures: $ cloudron machine backup create Waiting for backup to finish...backup failed: ENOENT: no such file or directory, open '/var/backups/2017-04-21-013900-584/app_7549c6a1-682e-4150-8b40-2c31a3fa92f7_2017-04-21-013900-591_v0.7.1.tar.gz'