==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release):  0.9.9
- Deployed with iRedMail Easy or the downloadable installer? No
- Linux/BSD distribution name and version:  CentOS 7.6
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):  PGSQL v9.2
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? Yes, 3.1
====

I am getting this error:

Error: ProgrammingError('column "mailboxformat" of relation "mailbox" does not exist\nLINE 1: INSERT INTO mailbox (username, domain, mailboxformat, maildi...\n ^\n',)

While creating any user in my domain.

This is happening after updating to iRED-Admin-PRO v 3.1 and iREDADMIN v0.9.9