Création impossible séquence, calque d'effets

Hey @sebastieng29288192 this is know issue will be resolved soon check here https://community.adobe.com/t5/premiere-pro-beta-bugs/premiere-pro-beta-v24-1-0-38-doesn-t-allow-import-new-bin-new-item-etc-in-project-panel/idi-p/14127093 

To get the options visible select any media in the Project panel try and import media from the import mode.

Thanks,

Suraj.