[2021-03-23 16:46:54] request.CRITICAL: Uncaught PHP Exception RuntimeException: "Could not get metamodel with id: 0" at /xyz/vendor/metamodels/core/src/ItemList.php line 554 {"exception":"[object] (RuntimeException(code: 0): Could not get metamodel with id: 0 at /xyz/vendor/metamodels/core/src/ItemList.php:554)"} []
generate CE MM-List
generate a second CE with MM-List as related content element
Error if MM-list is a related content element