Back up uncomplete

Hello,
log file writes that:
0028.532 (0) A useful amount of data was added after this amount of zip processing: 1 s (normalised: 0.8 s, rate: 62184.3 KB/s)
0028.538 (0) Performance is good – but we will not increase the amount of data we batch, as we are already at the present limit (time=0.96992707252502, normalised_time=0.8233590270046, max_time=28.537558078766, data points known=1, max_bytes=52428800)
0028.545 (0) Zip size is at/near split limit (58.9 MB / 50 MB) – bumping index (from: 30)
0029.403 (0) Created uploads zip (30) – 60339.9 KB in 0.3 s (203091.5 KB/s) (checksums: sha1: ca4d11c17bf81bf0204f22f245ae1203144e22cb, sha256: cee596c5129fcbd39c028690bdbe580aedf9e0fba9e4b5cc1a35d378d4a30e67)
0029.409 (0) Zip: backup_2021-01-10-0958_Croce_di_Vetta_a752be75934e-uploads32.zip.tmp: 2300 files added (on-disk size: 0 KB)
0029.416 (0) Adding batch to zip file (UpdraftPlus_BinZip): over 50 MB added on this batch (52.9 MB, 3409 files batched, 114 (2382) added so far); re-opening (prior size: 0 KB)
0029.737 (0) backup_2021-01-10-0958_Croce_di_Vetta_a752be75934e-uploads32.zip.tmp: size is now: 52.90 MB
0029.744 (0) A useful amount of data was added after this amount of zip processing: 2.2 s (normalised: 2.1 s, rate: 24830.9 KB/s)
0029.749 (0) Performance is good – but we will not increase the amount of data we batch, as we are already at the present limit (time=2.1813249588013, normalised_time=2.0619460506348, max_time=29.749032974243, data points known=1, max_bytes=52428800)
0029.756 (0) Zip size is at/near split limit (52.9 MB / 50 MB) – bumping index (from: 31)

I changed ‘split backups every’ option from 400 mb to 50 mb and I updated google drive as remote storage.
Now, I don’t know what I have to do.

Please help me
Thank you
Dania