Issue Failed to update ModSecurity ruleset: modsecurity_ctl failed: gpg: key 4520AFA9: "Atomicorp (Atomicorp Official Signing Key) <[email protected]>"

[muhammad.faraz]

Error: Failed to update ModSecurity ruleset: modsecurity_ctl failed: gpg: key 4520AFA9: "Atomicorp (Atomicorp Official Signing Key) <[email protected]>" not changed gpg: Total number processed: 1 gpg
:
unchanged : 1
gpg: assuming signed data in `/tmp/tmpsFI_FL/aum'
gpg: Signature made Tue Mar 21 18:04:08 2023 UTC using RSA key ID 4520AFA9
gpg: Good signature from "Atomicorp (Atomicorp Official Signing Key) <support @atomicorp.com>"
gpg: WARNING: This key is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.
Primary key fingerprint: 1818 66DF 9DAC A40E 5B42 9B08 FFBD 5D0A 4520 AFA9
TERM environment variable not set.
/bin/bash: line 117: /dev/?: No such file or directory
/bin/bash: line 92: /dev/?: No such file or directory
W: Failed to fetch Debian -- Security Information /dists/jessie/updates/main/binary-amd64/Packages 404 Not Found [IP: 151.101.66.132 80]

W: Failed to fetch http://security.debian.org/dists/jessie/updates/contrib/binary- amd64/Packages 404 Not Found [IP: 151.101.66.132 80]

W: Failed to fetch http://security.debian.org/dists/jessie/updates/non-free/binary-amd64/Packages 404 Not Found [IP: 151.101.66.132 80]

W: Failed to fetch http://ftp.debian.org/debian/dists/jessie/main/binary-amd64/Packages 404 Not Found [IP: 146.75.54.132 80]

W: Failed to fetch http://security.debian.org/dists/jessie/updates/main/binary-i386/Packages 404 Not Found [IP: 151.101.66.132 80]

W: Failed to fetch http://security. debian.org/dists/jessie/updates/contrib/binary-i386/Packages 404 Not Found [IP: 151.101.66.132 80]

W: Failed to fetch http://security.debian.org/dists/jessie/updates/non -free/binary-i386/Packages 404 Not Found [IP: 151.101.66.132 80]

W: Failed to fetch http://ftp.debian.org/debian/dists/jessie/contrib/binary-amd64/Packages 404 Not Found [IP: 146.75.54.132 80]

W: Failed to fetch http://ftp.debian.org/debian/dists/jessie/non-free/binary-amd64/Packages 404 Not Found [IP: 146.75.54.132 80]

W: Failed to fetch http://ftp.debian.org/debian/dists/jessie/main/binary-i386/Packages 404 Not Found [IP: 146.75.54.132 80]

W: Failed to fetch Plesk WebOps platform for app, site and hosting management. debian.org/debian/dists/jessie/contrib/binary-i386/Packages 404 Not Found [IP: 146.75.54.132 80]

W: Failed to fetch http://ftp.debian.org/debian/dists/jessie/non -free/binary-i386/Packages 404 Not Found [IP: 146.75.54.132 80]

E: Some index files failed to download. They have been ignored, or old ones used instead.
Command '/bin/bash < /tmp/tmpsFI_FL/aum' returned non-zero exit status 1
Unable to download tortix rule set
Why am i getting this error and how to resolve this issue?