[SOLVED] Error. You don't have access to the template required to add pages here (in /wire/modules/Process/ProcessPageAdd/ProcessPageAdd.module line 506)

[PawelGIX]

I have processwire 

You don't have access to the template required to add pages here (in /wire/modules/Process/ProcessPageAdd/ProcessPageAdd.module line 506)

I have ProcessWire 3.0.148. So far it has worked fine, but recently (maybe after an update) I am getting this error.
The error appears when you try to add a new subpage using the Superadmin account. I think the superadmin has access to all options?

Does anyone have an idea how to fix this?

 

UPDATE: 
It turned out that my settings in Family did not allow me to create a page from any template due to the configuration.
The message misled me a bit;)

Edited April 7, 2021 by PawelGIX
Issue solved