As of version 2.2.0, referencing to the post content and to a custom ID is deprecated. This is because referencing to an HTML-Element from JSON+LD code does not work. Here is how you can correct your global snippets:
Edit your global snippets
One of the built-in snippets is the “Article” snippet. If you have installed it, please edit it and change the schema.org/articleBody property from
- Current post content (as CreativeWork, deprecated)
- Current post content.
It should then look like this: