How to change E-Mail-Address of Zoho Community account

Hello there,

I couldn't find a general area where I could have asked my question. So I'll just ask my question here in the CRM area. If there is a suitable general community area, please move it there.

I would like to change the email of my Zoho Community account, how can I do this?
In the settings, the field is readonly:

Regards,

Sven