PenciDesign replied
Hi,
We've fixed the issue in the latest version of PenNews ( 6.5.9 ). Please update the theme to latest version to solve the issue.
Let's go and update the theme to version 6.5.9 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.
Best Regards,
PenciDesign