To resolve this error, add the a page body place holder using the following steps:
  1. Go to the page wrapper and click Manage Versions
  2. On the desired version, click edit
  3. Go to step 4. HTML Body
  4. If using plain text editor, click the components drop down and select Page Body Placeholder. If using WYSIWYG, select the components wheel icon, click page wrapper then Page Body Placeholder.
  5. Click Save or Next.