Its only for users if they ask how to add project :
Error on Add Project: You don't have permission to access the requested page
1. Hover on "Administration" on Top -> Select "Company".
2. In "Contacts" Section, select "Edit user account" of "admin".
3. In "Options" section, For "Can manage his/her own projects" select "Yes"
Don't follow this steps for making package.
4. Release date : https://github.com/Project-Pier/ProjectPier-Core/releases