Remote backup task quit working : constraint failed UNIQUE constraint failed: Remotevolume.Name, Remotevolume.State

This is the file that pCloud seemingly broke so you deleted. Ordinarily one would list and purge broken files right after that, but the exact sequence done is a little bit confusing for me. You could try those steps again.

What this restore result suggests though is that the file you chose will be purged because it’s part missing. Destination killing files is a good way to damage backup. FWIW here’s a Duplicacy pCloud problem today:

Pcloud Webdav failing

The day of that pCloud error start is different than yours, but both of you had seemingly good history before.