When you have the Error that the X7 Loader dont Export the Files
do that:
1. Download the x7 Loader new.
2. Drag the x7 Loader into the S4 Folder.
3. Make a Folder called: "x7" in your S4 Folder.
4. Start the x7 Loader as Admin.
5. Type "0" in the Window for Export.
6. Start S4.
7. Login in your S4 Account.
8. Make a quick Match.
9. Close S4.
Hope it works