Workout activity not registered as "done"

This early morning I completed the next workout in the FTP Builder Training Plan, but when I check both the Zwift app and the Companion app it appears that the system thinks that I have not execute that workout – there is no green check mark in the Training Plan view, and the Plan has this same workout queued up for me again.

In my “Activities” list I’ve only a generic entry, but not with the normal “FTP Builder - Foundation” activity name.

Thanks