[galaxy-user] Files uploaded via FTP - 530 Sorry, the maximum number of clients (3) for this user are already connected.

Hi, I am trying to upload new files to galaxy via FTP using Filezilla. I have this error message: 530 Sorry, the maximum number of clients (3) for this user are already connected. What can I do? Julie -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.