Accordeon-Gridelement - Content is missing in TYPO3 7.*

[baschte]

Only the Headline of Contentelements within Accordeon-Gridelement is visible.
Main Content is completely missing.

EDIT:
if i clear all caches in the Backend and reload the Page everything is back. If there is any cache Change the Accordeons, Slider etc. are empty again.

EDIT:
same on Carousel

[baschte]

Issue was fixed in Themes Extension