PenciDesign replied
Hi there,
We've fixed it in the latest version of Soledad theme - 7.3.5.
Let's go and update the theme to version 7.3.5 by do following this guide.
After update the theme to latest version, don't forget updates plugins via Appearance > Install Plugins > click on "Update" tab.
When you done, edit a post and the issue will gone. If you didn't see the issue gone, please Press Ctrl + F5 sometimes to clear all the cache - and it should works now.
The "Vafpress Post Formats UI" plugin is a plugin come from the theme and it helps you on create different post format
Of course if you don't need it, you can deactivate this plugin.
Best Regards,
PenciDesign