[Gelöst] ATE does not show all contents on page

Background of the issue:
I am trying to translate content that is under the accordion on the page versteckter Link.

Symptoms:
ATE does not show all contents on the page. Only the title of the accordion and page appear in ATE. Refer to the screenshots: Contents in accordion: versteckter Link, Contents available to translate in ATE: versteckter Link.

Questions:
Why is the content under the accordion not showing in ATE?
How can I make all accordion content available for translation in ATE?