OpenVAS said "Permission denied".

Hello,
When I want to update OpenVAS. it ask me the root password and when update started then it show me:

rsync: [receiver] mkstemp "/var/lib/openvas/plugins/report_formats/.04fd39ea-c019-11ea-93ac-0050568d36b8.asc.bew69c" failed: Permission denied (13)
            228 100%    2.27kB/s    0:00:00 (xfr#17007, to-chk=113/63034)
rsync: [receiver] mkstemp "/var/lib/openvas/plugins/report_formats/.0658675a-d26c-11ea-bc5b-0050568d36b8.asc.NQgXHa" failed: Permission denied (13)
            228 100%    2.27kB/s    0:00:00 (xfr#17008, to-chk=112/63034)
rsync: [receiver] mkstemp "/var/lib/openvas/plugins/report_formats/.130a0832-d26c-11ea-8a6c-0050568d36b8.asc.PVfTFd" failed: Permission denied (13)
            228 100%    2.27kB/s    0:00:00 (xfr#17009, to-chk=105/63034)
rsync: [receiver] mkstemp "/var/lib/openvas/plugins/report_formats/.3659c3fa-c1e5-11ea-90a7-0050568d36b8.asc.p9JuMa" failed: Permission denied (13)
            228 100%    2.27kB/s    0:00:00 (xfr#17010, to-chk=91/63034)
rsync: [receiver] mkstemp "/var/lib/openvas/plugins/report_formats/.5ebe43de-c019-11ea-a145-0050568d36b8.asc.QEexJb" failed: Permission denied (13)
            228 100%    2.27kB/s    0:00:00 (xfr#17011, to-chk=70/63034)
rsync: [receiver] mkstemp "/var/lib/openvas/plugins/report_formats/.676df30c-fd8b-44ec-8048-ce406203cd9b.asc.vLAZEb" failed: Permission denied (13)
            228 100%    1.24kB/s    0:00:00 (xfr#17012, to-chk=66/63034)
rsync: [receiver] mkstemp "/var/lib/openvas/plugins/report_formats/.a722b985-e755-430b-8cef-9517c04c5bf9.asc.jcaSba" failed: Permission denied (13)
            228 100%    1.24kB/s    0:00:00 (xfr#17013, to-chk=41/63034)
rsync: [receiver] mkstemp "/var/lib/openvas/plugins/report_formats/.b7f6d592-f82e-4f85-a296-4e16122cf102.asc.qUYAzc" failed: Permission denied (13)
            228 100%    1.24kB/s    0:00:00 (xfr#17014, to-chk=34/63034)
rsync: [receiver] mkstemp "/var/lib/openvas/plugins/report_formats/.bdd36ba4-c11f-11ea-83e2-0050568d36b8.asc.0stH4d" failed: Permission denied (13)
            228 100%    1.24kB/s    0:00:00 (xfr#17015, to-chk=28/63034)
rsync: [receiver] mkstemp "/var/lib/openvas/plugins/report_formats/.cac104ba-c670-11ea-b352-0050568d36b8.asc.zfeZ1c" failed: Permission denied (13)
            228 100%    1.24kB/s    0:00:00 (xfr#17016, to-chk=22/63034)

sent 890,080 bytes  received 56,762,276 bytes  207,010.25 bytes/sec
total size is 281,275,963  speedup is 4.88
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1816) [generator=3.2.3]
[>] Uploading plugins in Redis
[*] Updating: Cert Data
Greenbone community feed server - http://feed.community.greenbone.net/
This service is hosted by Greenbone Networks - http://www.greenbone.net/

All transactions are logged.

If you have any questions, please use the Greenbone community portal. 
See https://community.greenbone.net for details.

By using this service you agree to our terms and conditions.

Only one sync per time, otherwise the source ip will be temporarily blocked.

receiving incremental file list
timestamp
             13 100%   12.70kB/s    0:00:00 (xfr#1, to-chk=0/1)

sent 43 bytes  received 113 bytes  104.00 bytes/sec
total size is 13  speedup is 0.08
Greenbone community feed server - http://feed.community.greenbone.net/
This service is hosted by Greenbone Networks - http://www.greenbone.net/

All transactions are logged.

If you have any questions, please use the Greenbone community portal. 
See https://community.greenbone.net for details.

By using this service you agree to our terms and conditions.

Only one sync per time, otherwise the source ip will be temporarily blocked.

receiving incremental file list
./
CB-K18.xml
      4,755,314 100%   22.56MB/s    0:00:00 (xfr#1, to-chk=20/27)
CB-K19.xml
      3,992,783 100%    5.68MB/s    0:00:00 (xfr#2, to-chk=19/27)
CB-K20.xml
      2,817,876 100%  795.56kB/s    0:00:03 (xfr#3, to-chk=18/27)
dfn-cert-2016.xml
      2,639,987 100%    4.75MB/s    0:00:00 (xfr#4, to-chk=8/27)
dfn-cert-2018.xml
      3,533,850 100%    5.78MB/s    0:00:00 (xfr#5, to-chk=6/27)
dfn-cert-2019.xml
      3,547,492 100%    5.28MB/s    0:00:00 (xfr#6, to-chk=5/27)
dfn-cert-2020.xml
      2,566,683 100%    1.20MB/s    0:00:02 (xfr#7, to-chk=4/27)
sha1sums
          1,306 100%    1.45kB/s    0:00:00 (xfr#8, to-chk=3/27)
sha256sums
          1,858 100%    2.06kB/s    0:00:00 (xfr#9, to-chk=2/27)
sha256sums.asc
            819 100%    0.91kB/s    0:00:00 (xfr#10, to-chk=1/27)
timestamp
             13 100%    0.01kB/s    0:00:00 (xfr#11, to-chk=0/27)

sent 76,776 bytes  received 1,097,398 bytes  111,826.10 bytes/sec
total size is 69,655,050  speedup is 59.32
[*] Updating: Scap Data
Greenbone community feed server - http://feed.community.greenbone.net/
This service is hosted by Greenbone Networks - http://www.greenbone.net/

All transactions are logged.

If you have any questions, please use the Greenbone community portal. 
See https://community.greenbone.net for details.

By using this service you agree to our terms and conditions.

Only one sync per time, otherwise the source ip will be temporarily blocked.

receiving incremental file list
timestamp
             13 100%   12.70kB/s    0:00:00 (xfr#1, to-chk=0/1)

sent 43 bytes  received 114 bytes  104.67 bytes/sec
total size is 13  speedup is 0.08
Greenbone community feed server - http://feed.community.greenbone.net/
This service is hosted by Greenbone Networks - http://www.greenbone.net/

All transactions are logged.

If you have any questions, please use the Greenbone community portal. 
See https://community.greenbone.net for details.

By using this service you agree to our terms and conditions.

Only one sync per time, otherwise the source ip will be temporarily blocked.

receiving incremental file list
./
nvdcve-2.0-2006.xml
     23,416,517 100%  146.92MB/s    0:00:00 (xfr#1, to-chk=37/44)
nvdcve-2.0-2008.xml
     24,160,334 100%   65.27MB/s    0:00:00 (xfr#2, to-chk=35/44)
nvdcve-2.0-2009.xml
     21,115,040 100%   12.07MB/s    0:00:01 (xfr#3, to-chk=34/44)
nvdcve-2.0-2010.xml
     22,031,149 100%   21.12MB/s    0:00:00 (xfr#4, to-chk=33/44)
nvdcve-2.0-2011.xml
     21,568,583 100%   13.44MB/s    0:00:01 (xfr#5, to-chk=32/44)
nvdcve-2.0-2012.xml
     24,617,110 100%   12.41MB/s    0:00:01 (xfr#6, to-chk=31/44)
nvdcve-2.0-2013.xml
     27,984,971 100%    8.05MB/s    0:00:03 (xfr#7, to-chk=30/44)
nvdcve-2.0-2014.xml
     28,666,627 100%   10.45MB/s    0:00:02 (xfr#8, to-chk=29/44)
nvdcve-2.0-2015.xml
     30,303,295 100%    3.43MB/s    0:00:08 (xfr#9, to-chk=28/44)
nvdcve-2.0-2016.xml
     40,337,637 100%   11.25MB/s    0:00:03 (xfr#10, to-chk=27/44)
nvdcve-2.0-2017.xml
     56,787,693 100%    3.86MB/s    0:00:14 (xfr#11, to-chk=26/44)
nvdcve-2.0-2018.xml
     68,665,262 100%  692.82kB/s    0:01:36 (xfr#12, to-chk=25/44)
nvdcve-2.0-2019.xml
     78,875,042 100%  437.95kB/s    0:02:55 (xfr#13, to-chk=24/44)
nvdcve-2.0-2020.xml
     41,819,505 100%    1.24MB/s    0:00:32 (xfr#14, to-chk=23/44)
official-cpe-dictionary_v2.2.xml
    228,512,425 100%    2.82MB/s    0:01:17 (xfr#15, to-chk=22/44)
sha1sums
          2,096 100%    1.81kB/s    0:00:01 (xfr#16, to-chk=21/44)
sha256sums
          2,840 100%    2.46kB/s    0:00:01 (xfr#17, to-chk=20/44)
sha256sums.asc
            819 100%  799.80kB/s    0:00:00 (xfr#18, to-chk=19/44)
timestamp
             13 100%   12.70kB/s    0:00:00 (xfr#19, to-chk=18/44)

sent 636,752 bytes  received 85,213,334 bytes  202,715.67 bytes/sec
total size is 989,755,844  speedup is 11.53

Is it normal?

Thank you.