I’m working on project with perforce and trying to use Files->Add code to project then on final stage I’ve got error: Failed to add class MyClass. Failed to generate project files. That’s becuase p4 sets READ-ONLY flag on every file. I think UE should remove this flag on project files while it add…

Have solved it by myself. When you will add new files to perforce depot, just set property (in file type submenu in perforce), for project files +w to let them be always writetable.