failed to package because of plugins
i just rebuild both engine and project in VS
by creating c++ class in game editor then exiting and open VS.
right click on both engine and project. rebuild and it worked.
PLEASE couldd you explain in detail i have been having the same error
install visual studio.
install plugin for both vs, unreal
go in project created c++ class
open it up in vs
got to engine folder and right click on ue4 or 5.
click rebuild and wait until complete
your good to package your project