sandbox account not able to upload files

[ramanverma2005]

You can't publish files right now

Your file uploader has been suspended while we carry out some additional checks. Hold tight. Your appeal form has been received and we’re currently reviewing your answers. We’ll be in contact with you soon.

[dennisedson]

Hey @ramanverma2005 

What portal was this for?  What were you attempting to upload? 

We need more details to help here!