A client reported a permissions issue with a WordPress site that I ported to Pantheon about 2 years ago. When she tried to create a new Page, an error message appeared.
It took a few hours over the course of two days until I was able resolve this and return the site to its fully operational state. And because, as it is so often the case, I found no single source of information that helped me, here is story of how I puzzled it together from pieces. Continue reading