Hi ! I would like to install Ghost blog but I can’t, I’ve this error message 
Warning: 2019-04-13 19:16:32 ERROR 404: Not Found
Info: The operation ‘Install ‘ghost’ application’ has failed! To get help, please share the full log of this operation using the command ‘yunohost log display 20190413-181544-app_install-ghost --share’
Can you help me ?