I cannot choose a specific page/post/CPT for a view.
For example, if I select TYPE: Single, LOCATION: Page I have only All pages as an option, it doesn't give me any other page to select. The same thing is width posts and CPT. Have you already had that kind of issue or am I missing something?
Please try to deactivate all plugins except Meta Box and MB extensions then check the issue again. If it still happens, please take some screenshots, open the Console Tab of the browser to check the error notice and share it here.
Thanks for your advice. I deactivated all plugins except Metabox and Metabox AIO plugins, then I activated all plugins again. I am not sure if you meant that in your suggestion but now everything works fine.
Thank you for your quick replay