Support › General › wyswig with intro id
Creating a custom field containing a WYSIWYG element with an ID of intro causes some wired content, as you can see here:
It is possible that there is a conflicting plugin activated on your site. Please follow the step Debugging Information here and let me know how it goes.
Thx for your feedback,
I deactivated all plugins that are not Meta Box and switched to a different theme. No Error there. After activating my theme and my plugins again, everything is okay.