==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 0.9.9
- Deployed with iRedMail Easy or the downloadable installer? downloadable installer
- Linux/BSD distribution name and version: Ubuntu 19.04
- Store mail accounts in which backend (): MySQL
- Web server ():Apache
- Manage mail accounts with iRedAdmin-Pro? Nope
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
[ INFO ] Use config file: /root/iRedMail-0.9.9/config for mail server setting.
[ INFO ] Import installation process status from file: /root/iRedMail-0.9.9/runtime/install.status.
[ INFO ] Add apt repo for SOGo: https://packages.inverse.ca
[ INFO ] Import apt key (0x810273C4) for SOGo repo (https://packages.inverse.ca).
Executing: /tmp/apt-key-gpghome.mXrA0ViVkk/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-key 0x810273C4
gpg: key 19CDA6A9810273C4: "Inverse Support (package signing) <support@inverse.ca>" not changed
gpg: Total number processed: 1
gpg:              unchanged: 1
[ INFO ] Resynchronizing the package index files (apt-get update) ...
Ign:1 http://ppa.launchpad.net/brightbox/ruby-ng/ubuntu disco InRelease
Hit:2 http://mirrors.linode.com/ubuntu disco InRelease
Hit:3 http://mirrors.linode.com/ubuntu disco-updates InRelease
Hit:4 http://mirrors.linode.com/ubuntu disco-backports InRelease
Hit:5 http://archive.ubuntu.com/ubuntu disco InRelease
Err:6 http://ppa.launchpad.net/brightbox/ruby-ng/ubuntu disco Release
  404  Not Found [IP: 91.189.95.83 80]
Hit:7 https://dl.yarnpkg.com/debian stable InRelease
Ign:8 https://dl.bintray.com/rabbitmq/debian disco InRelease
Err:9 https://dl.bintray.com/rabbitmq/debian disco Release
  404  Not Found [IP: 35.158.148.134 443]
Get:10 http://security.ubuntu.com/ubuntu disco-security InRelease [97.5 kB]
Hit:11 http://packages.inverse.ca/SOGo/nightly/4/ubuntu bionic InRelease
Ign:12 https://packages.inverse.ca/SOGo/nightly/4/ubuntu disco InRelease
Err:13 https://packages.inverse.ca/SOGo/nightly/4/ubuntu disco Release
  404  Not Found [IP: 192.95.20.194 443]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/brightbox/ruby-ng/ubuntu disco Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'https://dl.bintray.com/rabbitmq/debian disco Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'https://packages.inverse.ca/SOGo/nightly/4/ubuntu disco Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
[ INFO ] Installing package(s): postfix postfix-pcre libsasl2-modules mysql-client mysql-server postfix-mysql libdbd-mysql-perl php-cli php-fpm php-json php-gd php-curl mcrypt php-intl php-xml php-mbstring php-mysql nginx-full dovecot-imapd dovecot-pop3d dovecot-lmtpd dovecot-managesieved dovecot-sieve dovecot-mysql amavisd-new libcrypt-openssl-rsa-perl libmail-dkim-perl clamav-freshclam clamav-daemon spamassassin altermime arj nomarch cpio lzop cabextract p7zip-full rpm ripole libmail-spf-perl unrar-free pax lrzip mlmmj sogo sogo-activesync sope4.9-gdl1-mysql python-sqlalchemy python-dnspython python-mysqldb python-pymysql python-jinja2 python-netifaces python-webpy python-beautifulsoup python-lxml python-pycurl python-requests uwsgi uwsgi-plugin-python python-bcrypt fail2ban zlib1g libuuid1 libmnl0 curl lm-sensors netcat bzip2 acl patch cron tofrodos logwatch unzip bsdutils liblz4-tool
Reading package lists...
Building dependency tree...
Reading state information...
Package ripole is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

Package python-webpy is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'ripole' has no installation candidate
E: Package 'python-webpy' has no installation candidate
<< ERROR >> Installation failed, please check the terminal output.
<< ERROR >> If you're not sure what the problem is, try to get help in iRedMail
<< ERROR >> forum: https://forum.iredmail.org/

====

Good evening all,

I have tried to fix this issue for the last 3 days with no luck does anyone know what this error means and how i can fix it

Kind Regards
Simon