@abiliomarques If you want to make some tests using FreeBSD, do not hesitate to give the experimental package a try :
[Solved!] Group guests was accidentally deleted from the category
Please tell me how to return a group of guests? I didn't can find that group and add her again.
I deleted guests groups in 1000 category and now I don't understand what do. Please, give me code example for add to that group all categories.
I found the solution. Thanks!!!