How to reproduce it :

I renamed the "abstract" view and the main view of a content. Abstract = carousel and main = grid. You can use the XML file in attachment into web\WEB-INF\param\content-types_override : org.ametys.plugins.myfavorites.Content.myfavorites.xml

I restart and select the content :

• on the content tab, Content view button, the two views : carousel and grid appear well
• on the page tab, View setting, the Carousel view appears well but not the Grid view. It display "main" instead of "Grid".