Hello. Thank you for contacting the Toolset support.
Can you please check now:
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I'm not sure but this could be related to when multiple shingle field blocks added to content template to display the post body field.
As a workaround - you can use the "Fields and Text" block and add the [wpv-post-body] shortcode to display the post body field. Which I already added to the content template you are using:
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Block named "Fields and Text" work well. I solved it by creating a new custom field for each Post type. So, only one post body field is printed on a page at a time.