Hi Josef,
Do you mean that you are unable to edit and save a group category? Does this happen in the frontend or backend?
I am unable to access your backend(http://take.ms/ES3BB). Can you update your site details to add this information so we can investigate the issue? Thanks.

i had updated.
i mean in backend.

for example: i want change any things on every exist group category by the permalink field. i want change the Lang-string to: COM_EASYSOCIAL_GROUP_PERMALINK for the Title
COM_EASYSOCIAL_GROUP_PERMALINK_DESC for the description.

and if i click on save: then comes only a error message.

Hello Josef,

Ah okay I understand your issue now. The main reason that you are unable to save the group category is because the field, notification type isn't added into the form, http://take.ms/UE9QX. Mandatory field represents fields that must be added into the form.

Once I have added the field, I was able to save the category without any issues, http://take.ms/m5Asz

Ooohhhh ok.
Great - Thank you.

Hey Josef,

You are most welcome. Glad to know that we cleared this up for you.
Regards.