Can't edit page & i've searched posts

Hi

I have search the posts for can’t edit pages and attempted each fix to no avail.

I am using latest version of wordpress hosted on 1&1.

Using Graphene theme, and the widgets you can see at

[removed]

all taken off, deactivated, updated share and follow, placed back in sidebar

The last action before this occurred was to publish a page, occuring right after placing a text box in the sidebar. When the screen returned, all I saw was a blank page with Edit at the top.

I can quick edit but that’s it