My admin page have a error when I try to edit in europe_es region. EZ show me a error about “cannot get page information from the server”.

Somebody edited a block section in my page, later, this error will show it when I tried edit.
I deleted al block but that error persist.
followed /var/error.log but doesn’t showed anything.
The father is a landing Page

Inside this, it has 2 block’s

“Zona de Prensa” has 2 block with changes

Please, I need Help,