Legacy Backup Copy job targeting a cloud repository start failing with the following error if the previous processing interval was interrupted:
Sequence contains more than one element
But in my case, i can't delete to Backup Copy Legacy Jobs targeted a local repository located on Quantum DXi 4700 with 3.x firmware. (I have applied this KB : https://www.veeam.com/kb4429 for Quantum).
All other (11) jobs can be deleted without issue, but 2 last it's impossible with message :
Thank you for your post, unfortunately this behavior is totally unexpected and unknown - please continue to work with our support team and let us know how the investigation goes!