I get an error while installing

[ufukkiraz]

[e[1me[34mINFOe[0m] Running upgrade_system
Hit:1 http://deb.debian.org/debian bullseye InRelease
Hit:2 http://security.debian.org/debian-security bullseye-security InRelease
Hit:3 http://deb.debian.org/debian bullseye-updates InRelease
Hit:4 http://forge.yunohost.org/debian bullseye InRelease
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
libtext-iconv-perl is already the newest version (1.7-7+b1).
The following packages were automatically installed and are no longer required:
  dnsmasq dnsmasq-base fail2ban iptables ldap-utils libc-ares2 libev4
  libgeoip1 libip6tc2 libluajit-5.1-2 libluajit-5.1-common libminiupnpc17
  libnetfilter-conntrack3 libnfnetlink0 libnginx-mod-http-auth-pam
  libnginx-mod-http-cache-purge libnginx-mod-http-dav-ext
  libnginx-mod-http-echo libnginx-mod-http-fancyindex libnginx-mod-http-geoip
  libnginx-mod-http-geoip2 libnginx-mod-http-headers-more-filter
  libnginx-mod-http-image-filter libnginx-mod-http-lua libnginx-mod-http-ndk
  libnginx-mod-http-perl libnginx-mod-http-subs-filter
  libnginx-mod-http-uploadprogress libnginx-mod-http-upstream-fair
  libnginx-mod-http-xslt-filter libnginx-mod-mail libnginx-mod-nchan
  libnginx-mod-stream libnginx-mod-stream-geoip libnginx-mod-stream-geoip2
  libnss-ldapd libnss-myhostname libodbc1 libpam-ldapd libyaml-0-2
  linux-image-5.10.0-18-amd64 lua-filesystem lua-json lua-ldap lua-lpeg
  lua-rex-pcre lua-socket moulinette netcat-openbsd nginx-common nginx-extras
  nslcd python-is-python3 python3-appdirs python3-attr python3-bottle
  python3-bs4 python3-cached-property python3-dateutil python3-dbus
  python3-defusedxml python3-dnspython python3-freezegun python3-future
  python3-gevent python3-gevent-websocket python3-greenlet python3-ifaddr
  python3-isodate python3-jinja2 python3-ldap python3-lexicon python3-lib2to3
  python3-lxml python3-markupsafe python3-miniupnpc python3-packaging
  python3-prompt-toolkit python3-psutil python3-publicsuffix2 python3-pyasn1
  python3-pyasn1-modules python3-pygments python3-pyparsing
  python3-requests-file python3-requests-toolbelt python3-soupsieve
  python3-tldextract python3-toml python3-tz python3-wcwidth python3-yaml
  python3-zeep python3-zeroconf python3-zope.event python3-zope.interface
  slapd ssowat sudo-ldap unscd whois
Use 'apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up postfix (3.5.25-0+deb11u1) ...
postconf: warning: valid_hostname: numeric hostname: 185.255.4.90
postconf: fatal: unable to use my own hostname
Use of uninitialized value $destinations in scalar chomp at /var/lib/dpkg/info/postfix.config line 223.
Use of uninitialized value $_[1] in join or string at /usr/share/perl5/Debconf/Client/ConfModule.pm line 121.
postconf: warning: valid_hostname: numeric hostname: 185.255.4.90
postconf: fatal: unable to use my own hostname
Use of uninitialized value $mynetworks in scalar chomp at /var/lib/dpkg/info/postfix.config line 287.
Use of uninitialized value $_[1] in join or string at /usr/share/perl5/Debconf/Client/ConfModule.pm line 121.
postconf: warning: valid_hostname: numeric hostname: 185.255.4.90
postconf: fatal: unable to use my own hostname
Use of uninitialized value $protos in scalar chomp at /var/lib/dpkg/info/postfix.config line 389.
Use of uninitialized value $_[1] in join or string at /usr/share/perl5/Debconf/Client/ConfModule.pm line 121.
postconf: warning: valid_hostname: numeric hostname: 185.255.4.90
postconf: fatal: unable to use my own hostname
postconf: warning: valid_hostname: numeric hostname: 185.255.4.90
postconf: fatal: unable to use my own hostname
dpkg: error processing package postfix (--configure):
 installed postfix package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 postfix
E: Sub-process /usr/bin/dpkg returned an error code (1)
[e[1me[31mFAILe[0m] Unable to update the system
[e[1me[34mINFOe[0m] Installation logs are available in /var/log/yunohost-installation_20240801_061739.log