Unable to upload file to box

See and reply in here: https://support.box.com/hc/en-us/community/posts/16107191739027-Can-t-upload-for-almost-24-hours

Hi there,

Welcome to Box Community and glad to assist! 

You may to begin working on this error by following these recommended troubleshooting steps and please try again. 

Should your error persist, please feel free to reply. 

Hope it works!