No, we didn't, we noticed when the backup stopped the synchronization because it asks for the key. The only thing that ran before was the backup yesterday and nothing else !!
In addition, there are now a number of errors like this one:
** (pkttyagent: 3948): WARNING **: 10: 07: 25.412: Unable to register authentication agent: GDBus.Error: org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject
Error registering authentication agent: GDBus.Error: org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject (polkit-error-quark, 0)