There is something wrong with the cloud or upload download
Please elaborate more about your question, explaining the error that you've got and what have you tried:
I overwrite a data and it remains the same
Please show your relevant blocks
Also upload/download what ? strings, numbers, files ?
Can you delete this?
Did you find a solution to your original problem ?
Why not post it here so that others may learn, then we can mark the topic as solved ....
I dont know what the problem because I dont programing a whole time just close it thanks