Gerec - Discount Grids Management problem

Using my Dolibarr DoliStore's external modules
1

Hello,

I`m having problem with Gerec module, cannot insert any discount rule, keep getting messages:

Error while adding discount rule

Warning: Invalid argument supplied for foreach() in C:\Dolibarr\www\dolibarr\htdocs\custom\gerec\grille.php on line 593

Any suggestion is welcome

Best regards.

2

Infos about prog version

Dolibar version is 12.0.3
Apache is Apache/2.4.41 (Win64) PHP/7.3.12
PHP is PHP 7.3.12
Database 5.5.5-10.4.10-MariaDB
Driver type mysqli (mysqlnd 5.0.12-dev - 20150407 - $Id: 7cc7cc96e675f6d72e5cf0f267f48e167c2abb23 $)