xbox 360 REDitor help

everytime i edit something for my xbox it saids unable to load the saved conent is demamged or unreadble im sorry if i posted this not in the right forum i paid for the my friends teams and to edit xbox my career even if i try to edit somebodys dunk it wont work i even tried just editing a roster and it still gives me the same message if anyone can help i would much appreciate it

You need to rehash and resign your save file before putting it back on the console. I use modio but there are other programs you can use.
Remember not to rename the file either