debian bullseye benutzt php7.4

[...]
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package libapache2-mod-php7.3
E: Couldn't find any package by glob 'libapache2-mod-php7.3'
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package php7.3
E: Couldn't find any package by glob 'php7.3'
E: Unable to locate package php7.3-gd
E: Couldn't find any package by glob 'php7.3-gd'
E: Unable to locate package php7.3-xml
E: Couldn't find any package by glob 'php7.3-xml'
E: Unable to locate package php7.3-mysql
E: Couldn't find any package by glob 'php7.3-mysql'
E: Unable to locate package php7.3-mbstring
E: Couldn't find any package by glob 'php7.3-mbstring'
E: Unable to locate package php7.3-soap
E: Couldn't find any package by glob 'php7.3-soap'
E: Unable to locate package php7.3-ldap
E: Couldn't find any package by glob 'php7.3-ldap'
E: Unable to locate package php7.3-xmlrpc
E: Couldn't find any package by glob 'php7.3-xmlrpc'
E: Unable to locate package php7.3-curl
E: Couldn't find any package by glob 'php7.3-curl'
E: Unable to locate package php7.3-zip
E: Couldn't find any package by glob 'php7.3-zip'
./install_ilias_v6.sh: line 88: php: command not found
./install_ilias_v6.sh: line 89: php: command not found
./install_ilias_v6.sh: line 90: php: command not found
Enabling module rewrite.
To activate the new configuration, you need to run:
  systemctl restart apache2
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
sed: can't read /etc/php/7.3/apache2/php.ini: No such file or directory
./install_ilias_v6.sh: line 148: /etc/php/7.3/apache2/php.ini: No such file or directory
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Ich erstelle gleich auch einen Merge request.