Fatal error

I have try install digitalocean WordPress droplet.
I do not want create cyberpanel droplet on digitalocean.
I want install cyberpanel on WordPress droplet.
I face issue as Fatal error on install mariadb-server return code: 100.
Please help me.

Installlog

[02.28.2021_19-37-12] Starting CyberPanel installation…
[02.28.2021_19-37-12] Running: dd if=/dev/zero of=/usr/.tempdisk bs=100M count=15
[02.28.2021_19-37-14] Successfully ran: dd if=/dev/zero of=/usr/.tempdisk bs=100M count=15.
[02.28.2021_19-37-14] Running: mkfs.ext4 -F /usr/.tempdisk
[02.28.2021_19-37-15] Successfully ran: mkfs.ext4 -F /usr/.tempdisk.
[02.28.2021_19-37-15] Running: mkdir -p /usr/.tmpbak/
[02.28.2021_19-37-15] Successfully ran: mkdir -p /usr/.tmpbak/.
[02.28.2021_19-37-15] Running: mount -o loop,rw,nodev,nosuid,noexec,nofail /usr/.tempdisk /tmp
[02.28.2021_19-37-15] Successfully ran: mount -o loop,rw,nodev,nosuid,noexec,nofail /usr/.tempdisk /tmp.
[02.28.2021_19-37-15] Running: chmod 1777 /tmp
[02.28.2021_19-37-15] Successfully ran: chmod 1777 /tmp.
[02.28.2021_19-37-15] Running: rm -rf /usr/.tmpbak
[02.28.2021_19-37-15] Successfully ran: rm -rf /usr/.tmpbak.
[02.28.2021_19-37-15] Running: mount --bind /tmp /var/tmp
[02.28.2021_19-37-15] Successfully ran: mount --bind /tmp /var/tmp.
[02.28.2021_19-37-15] Running: adduser --disabled-login --gecos “” cyberpanel
[02.28.2021_19-37-15] Successfully ran: adduser --disabled-login --gecos “” cyberpanel.
[02.28.2021_19-37-15] Running: adduser --disabled-login --gecos “” docker
[02.28.2021_19-37-15] Successfully ran: adduser --disabled-login --gecos “” docker.
[02.28.2021_19-37-15] Running: groupadd docker
[02.28.2021_19-37-15] [ERROR] We are not able to run groupadd docker return code: 9.
[02.28.2021_19-37-15] Running: usermod -aG docker docker
[02.28.2021_19-37-15] Successfully ran: usermod -aG docker docker.
[02.28.2021_19-37-15] Running: usermod -aG docker cyberpanel
[02.28.2021_19-37-15] Successfully ran: usermod -aG docker cyberpanel.
[02.28.2021_19-37-15] Running: mkdir -p /etc/letsencrypt/live/
[02.28.2021_19-37-15] Successfully ran: mkdir -p /etc/letsencrypt/live/.
[02.28.2021_19-37-15] Running: wget http://rpms.litespeedtech.com/debian/enable_lst_debain_repo.sh
[02.28.2021_19-37-15] Successfully ran: wget http://rpms.litespeedtech.com/debian/enable_lst_debain_repo.sh.
[02.28.2021_19-37-15] Running: ./enable_lst_debain_repo.sh
[02.28.2021_19-37-18] Successfully ran: ./enable_lst_debain_repo.sh.
[02.28.2021_19-37-18] Running:
[02.28.2021_19-37-18] Successfully ran: .
[02.28.2021_19-37-18] Running:
[02.28.2021_19-37-18] Successfully ran: .
[02.28.2021_19-37-18] Running: apt-get -y install openlitespeed
[02.28.2021_19-37-32] Successfully ran: apt-get -y install openlitespeed.
[02.28.2021_19-37-32] Changing default port to 80…
[02.28.2021_19-37-32] Default port is now 80 for OpenLiteSpeed!
[02.28.2021_19-37-32] Running: /usr/local/lsws/bin/lswsctrl restart
[02.28.2021_19-37-34] Successfully ran: /usr/local/lsws/bin/lswsctrl restart.
[02.28.2021_19-38-25] LiteSpeed PHPs successfully installed!
[02.28.2021_19-38-25] Fixing OpenLiteSpeed configurations!
[02.28.2021_19-38-25] OpenLiteSpeed Configurations fixed!
[02.28.2021_19-38-25] Running: /usr/local/lsws/bin/lswsctrl restart
[02.28.2021_19-38-27] Successfully ran: /usr/local/lsws/bin/lswsctrl restart.
[02.28.2021_19-38-27] Running: apt-get -y install mariadb-server
[02.28.2021_19-38-29] [ERROR] We are not able to run apt-get -y install mariadb-server return code: 100. Fatal error, see /var/log/installLogs.txt for full details.
[02.28.2021_19-38-29] [ERROR] We are not able to run apt-get -y install mariadb-server return code: 100. Fatal error, see /var/log/installLogs.txt for full details.