Don't connect to ftp

[jusjk]

I recently install sentora panel to my CentOS 7 server. I created a ftp account and when I trying to login I get these error. Can somebody help me. 

Error: Failed to retrieve directory listing

On router I have popen ports:
-20 TCP
-21 TCP
-25 TCP
-53 TCP
-80 TCP
-110 TCP
-143 TCP
-443 TCP
-3306 TCP
-60000 - 65000 TCP&UDP

Thankyou for eny replay, I don't know what I can do.

Kind Regards Jus