I can´t create external view from ABAP perspective

Hi Experts,

I am trying to create a external view from ABAP perspective, based on an attibute view created/activated. The attibute view is this:

When I try to create the external view, the system can not find anything.

These are the roles with which the view was created:

Also I have tried assigning a grant select to _SYS_REPO to my schema.

Thanks very much

Victor Hugo