eCloud - Profile picture can't be set

• /e/ version: 1.0 (insignificant)
• Device model(s): Webinterface (Mac/Windows/Linux)
• Device rooted: insignificant

The problem

in the Cloud Account - Settings - is no way to set a individual Profilpicture or Avatar

Steps to reproduce

Login in your murenaCloud Account - go to Settings - no button to set a profil picture/avatar

What is the current behavior?

the modified murena Nextcloud Instance only shows the first letter of the First name and Last name and there is a message saying

What is the expected correct behavior?

a button to setup a individual picture/avatar

Technical informations

i can not identify the correct Nextcloud version - I am assume a Nextcloud 22 Instance