[נפתר] Sorry, you do not have permission to view this page.

Background of the issue:
I am trying to configure WPML, but I encounter a permission issue. I am the only user. The password to view the site is 12345. The issue can be seen at קישור נסתר.

Symptoms:
I get the notice: 'Sorry, you do not have permission to view this page.'

Questions:
Why am I seeing a permission error when configuring WPML?
How can I resolve the permission issue to configure WPML?