If ColumnStore services are not running, then statements return unhelpful "Cannot execute the statement. DBRM is read only!" error message

$ sudo systemctl stop mariadb-columnstore

MariaDB [(none)]> CREATE TABLE columnstore_db.tab2 (id INT) ENGINE=ColumnStore;

ERROR 1815 (HY000): Internal error: Cannot execute the statement. DBRM is read only!

ERROR: 1815  Internal error: Cannot communicate with MariaDB ColumnStore processes. Check the status of the processes by executing "systemctl status mariadb-columnstore."