Updraft plus-Unable to complete backup

I’m Unable to end my backup these are last lines of the log.
How could I do?

0171.919 (0) Retain: saving new backup history (sets now: 2) and finishing retain operation
0171.926 (0) Resume backup (d4c2b45a09c0, 0): finish run
0171.941 (0) Decremented the semaphore (fd) by 1
0171.949 (0) Semaphore (fd) unlocked
0171.954 (0) There were errors in the uploads, so the ‘resume’ event is remaining scheduled
0171.965 (0) Rescheduling resumption 1: moving to 60 seconds from now (1659517832)
0171.973 (0) Il backup non è ultimato; è stata rischedulata una ripresa.

The page I need help with: [log in to see the link]