If the server is genuinely at its connection limit, try again during off-peak hours (such as late at night or early morning).
It looks like the phrase is highly specific and doesn’t correspond to a known public product, standard error message, or mainstream service. It may be: 10161oo244 icc ftp server full
There is an ICC FTP Server Android app designed to help mobile users browse and download content directly to their devices. Troubleshooting Connectivity If the server is genuinely at its connection