[horde] Installation problem

[o1bigtenor]

Greetings

Working on installing horde groupwebmail on a debian buster (10) where
apache 2.4.38, postgresql 11.5 and php 7.3.

Chose to install using  # apt install  and the installation completed easily.
It was in working through the configuration that a roadblock occurred.

Quoting the terminal output:

Creating and updating database tables...
  Fatal Error:
  SQLSTATE[42703]: Undefined column: 7 ERROR:  column "increment_by"
does not exist
  LINE 1: ...q', (SELECT COALESCE(MAX("sentmail_id") + (SELECT
increment_...
                                                               ^
  In /usr/share/php/Horde/Db/Adapter/Pdo/Base.php on line 233


How do I resolve this?

TIA