after enabling revision control i my project wont load anymore it reaches 9 % sometimes 30 % and stops is there anyway i can remove revision control without entering the map or dublicate my map pls help me

You will find the ini that controls revision control at "ProjectDirectory)\Saved\Config\WindowsEditor” called SourceControlSettings.ini. You can simply delete that file and it will remove any Revision Control settings that were saved for the project.