I have an empty sharepoint solution that deployed as a sandbox solution, I can add a mapped folder but when I deployed the solution I encountered this error
Error 1 The Project Item "Images" cannot be deployed through a Package in a Sandboxed Solution.
c:\users\awis\documents\visual studio 2017\Projects\SharePointProject\SharePointProject\Package\Package.package SharePointProject
![mapped folder cannot be deployed in sandbox solution](https://debug.to/?qa=blob&qa_blobid=11364422104955651907)