Record in n:n middle table not updated correctly by before save script

[agri]

Hi,
I need some help with a before save script:

Setting:
- an entity named person
- an entity named occasion
- a...

[Gomez]

I'm running 9.0.0 via a script install.

I'd like to update to 9.0.6 but when I run the script update command -

sudo /var/www/esprocrm/command.sh

...