In the folder of your project (where your .uproject file is), there are two folders called “Intermediate” and “Binaries”. Delete them and Unreal will ask you to re-build when you open the project.
In the folder of your project (where your .uproject file is), there are two folders called “Intermediate” and “Binaries”. Delete them and Unreal will ask you to re-build when you open the project.