Error in certificates while upgrading

I’ve just freshly installed parrot and when i start using
sudo apt update
sudo apt full-upgrade

It show me this error.

The following additional packages will be installed:
  ca-certificates
The following NEW packages will be installed:
  ca-certificates
0 upgraded, 1 newly installed, 0 to remove and 1897 not upgraded.
Need to get 157 kB of archives.
After this operation, 393 kB of additional disk space will be used.
Do you want to continue? [Y/n] 
Err:1 https://deb.parrot.sh/parrot rolling/main amd64 ca-certificates all 20190110
  Certificate verification failed: The certificate is NOT trusted. The revocation or OCSP data are old and have been superseded. The certificate issuer is unknown.  Could not handshake: Error in the certificate verification. [IP: 104.27.131.193 443]
W: https://deb.parrot.sh/parrot/pool/main/c/ca-certificates/ca-certificates_20190110_all.deb: No system certificates available. Try installing ca-certificates.
E: Failed to fetch https://deb.parrot.sh/parrot/pool/main/c/ca-certificates/ca-certificates_20190110_all.deb  Certificate verification failed: The certificate is NOT trusted. The revocation or OCSP data are old and have been superseded. The certificate issuer is unknown.  Could not handshake: Error in the certificate verification. [IP: 104.27.131.193 443]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

And when i try to import certificates it show me this error.
sudo wget -q -O - https://deb.parrotsec.org/parrot/misc/parrotsec.gpg | gpg --import
gpg: no valid OpenPGP data found.
gpg: Total number processed: 0

Then I used sudo apt -f install ca-certificates
but I can’t install anything via apt as this certificate error is there.
I’ve tried it with both apt and apt-get but no difference.
What should I do?

Are you behind a firewall or something? For example the ducking websense

ia your hosttime correct?

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