The post wasn’t visible. There were no editing icons. And yet, the post was there and looked fine when viewed as a site visitor. See how I solved this problem.
Last week a customer contacted us because of a problem on his website. After the WordPress 4.3 update there were PHP error messages at the top of his website. These error messages were on all the pages of the site. Needless to say, it wasn’t the image he wanted to project to