Follow few steps to solve this issue permanently
1: in your project folder delete these sub folders/files
saved
intermediate
DerivedCache
config
script
vs
.sln
2: delete some folders in appdata\local\unreal\....
common\DerivedCache
3: delete files/folders in engine installed folder unreal\engine\...
intermediate
4: run your project and it will create all the folders, when the game loads successfully clode the editor.
5: right click on the project browser and generate visual studio files
6: open the newly generated yourprojectname.sln click build from the menu and select re-build.
this will solve all the broken redirectors.
hope it helps
cheers!