Error in creating Groups

Hi, when trying to create a group, the following error appears:
Undefined offset: 6 | Script: C:\Program Files (x86)\NetMake\v7\wwwroot\scriptcase\devel\class\page
mPageRuleGroup.class.php linha: 627

Anybody knows what does it mean?

Thanks,

Hello,

Please contact our support regarding this issue. Our chat is active on workdays from 8:00am to 6:00pm, and our ticket system is always available.

regards,
Bernhard Bernsmann