This is what I found on the log for “Error”
2020-09-19 02:14:15.743 D [logging_storage.go:46] [STORAGE] PutBlob(“p7b65a7bd38b605c293f0d55469e839e6”,len=23810437)=&url.Error{Op:“Post”, URL:“https://pod-000-1008-16.backblaze.com/b2api/v1/b2_upload_file/07d987028e6b6c3d7c48001e/c001_v0001008_t0031”, Err:(*errors.errorString)(0xc0000847c0)} took 122.535633ms
2020-09-19 02:38:40.443 D [logging_storage.go:46] [STORAGE] PutBlob(“p1abbf009a734b4a7a2aab4b217f9e462”,len=21348667)=&url.Error{Op:“Post”, URL:“https://pod-000-1144-17.backblaze.com/b2api/v1/b2_upload_file/07d987028e6b6c3d7c48001e/c001_v0001144_t0054”, Err:(*errors.errorString)(0xc000084030)} took 8m27.215161961s
2020-09-19 02:39:00.184 D [upload.go:739] finished reading directory czdata/images/cz/thumb/3/3a/NFPA_Template_Firefox_Error.png in 117.311µs
2020-09-19 02:39:04.622 D [upload.go:739] finished reading directory czdata/images/cz/thumb/d/d0/Errorsubpagecollapse.jpg in 103.123µs
2020-09-19 02:39:24.368 D [logging_storage.go:55] [STORAGE] DeleteBlob(“n0bf4b5bfc2b9a7a3cf3e5654231dbc2e”)=&backblaze.B2Error{Code:“no_such_file”, Message:“File not present: n0bf4b5bfc2b9a7a3cf3e5654231dbc2e”, Status:400} took 74.199846ms