multicompany

I have just updated from Dolibarr 3.2.2 to 3.4. Everything seems to be fine, I have checked quite a few features.
Now I was trying to install multicompany, so I downloaded last available version, 3.4, copied in custom folder according to instructions, modified conf.php to enable custom folders and voilà.

It is now shown in settings, but I just can’t add new entities.
Nothing happens when I fulfill the new entity form and press add button.
Hint: the main entity is not shown in the list. See attached.

Any help would be appreciated.

Sorry, actually I wanted to upload this screenshot

I found the solution myself: for some reason, sql update script was not run during install.
multicompany/sql/update_3.1.0-3.2.0.sql

ALTER TABLE llx_entity ADD COLUMN options text AFTER fk_user_creat;

… and now I can add new companies.