ERROR 1006 (HY000) at line 1: Can't create database 'bluecherry' (errno: -1018231040)
++ exit 1
dpkg: error processing package bluecherry (--configure):
 installed bluecherry package post-installation script subprocess returned error exit status 1
Processing triggers for libc-bin (2.27-3ubuntu1.3) ...
Processing triggers for libapache2-mod-php7.2 (7.2.24-0ubuntu0.18.04.7) ...
Errors were encountered while processing:
 bluecherry
E: Sub-process /usr/bin/dpkg returned an error code (1)
ERROR: Service 'bluecherry' failed to build : The command '/bin/sh -c /usr/sbin/groupadd -r -f -g $BLUECHERRY_GROUP_ID bluecherry &&     useradd -c "Bluecherry DVR" -d /var/lib/bluecherry -g bluecherry -G audio,video -r -m bluecherry -u $BLUECHERRY_USER_ID &&     {         echo "[client]";                                echo "user=$MYSQL_ADMIN_LOGIN";                 echo "password=$MYSQL_ADMIN_PASSWORD";          echo "[mysql]";                                 echo "user=$MYSQL_ADMIN_LOGIN";                 echo "password=$MYSQL_ADMIN_PASSWORD";          echo "[mysqldump]";                             echo "user=$MYSQL_ADMIN_LOGIN";                 echo "password=$MYSQL_ADMIN_PASSWORD";          echo "[mysqldiff]";                             echo "user=$MYSQL_ADMIN_LOGIN";                 echo "password=$MYSQL_ADMIN_PASSWORD";      } > /root/.my.cnf                           &&     apt-get update                              &&     {         echo bluecherry bluecherry/mysql_admin_login password $MYSQL_ADMIN_LOGIN;               echo bluecherry bluecherry/mysql_admin_password password $MYSQL_ADMIN_PASSWORD;         echo bluecherry bluecherry/db_host string $host;                                        echo bluecherry bluecherry/db_userhost string $userhost;                                echo bluecherry bluecherry/db_name string $dbname;                                      echo bluecherry bluecherry/db_user string $user;                                        echo bluecherry bluecherry/db_password password $password;                          } | debconf-set-selections  &&         apt -y install wget gnupg supervisor &&     wget -q https://dl.bluecherrydvr.com/key/bluecherry.asc &&     apt-key add bluecherry.asc &&     wget --no-check-certificate --output-document=/etc/apt/sources.list.d/bluecherry-bionic.list https://dl.bluecherrydvr.com/sources.list.d/bluecherry-bionic-unstable.list &&     apt-get update &&     apt --no-install-recommends -y install rsyslog mysql-client bluecherry' returned a non-zero code: 100