Between 11:08am CEST and 2:03pm CEST under certain circumstances transformation jobs were forking from existing processing transformation jobs. We have found the root cause, fixed it, terminated all forks and restarted all failed orchestrations. If you're still seeing this issue, please let us know.
UPDATE: This issue occurred again between 4:49pm CEST and 8:05pm CEST.
We're sincerely sorry for this inconvenience.