Problems to get access as admin to the Userpage in Nextcloud

Hi friends,

after installation of Nethserver 7 RC2 i cant become acces to administrate the users in Nextcloud.
I can login as admin into nextcloud without problems. But when i will connect to the Page User i received this error:

internal server error

The server has an internal error and was unable to complete your request.

Please contact the server administrator if this error occurs several times, and please enclose the technical details below.

Further details can be found in the server log.

Technical details

 Remote address: xxx.xxx.xxx.xxx
 Requirement identification: WCXqkoDCop-BHIYlqv-TggAAAAU

Here is a picture:

I have the problem with Firefox, IE11 and also with the Edge Browser

What must i do to solve the problem?

Regards

Uwe

Is it the same problem? Please follow the instructions here:

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