Unreal and and git

Hello im trying to work with other people on same project. but when a guy push a new things via Git when i try to git pull ive got an error and i need to close the engine to let me pull it. i was working with unity before to change to Unreal Engine 4 and didnt had any problem like this. If anyone can help me plz thank u!

That likely means that some files are in use which means they can’t be overwritten while the editor is open.