Ftp530 has no permissions

There is no permission for ftp530. In fact, the username and password are incorrect. But many times, I feel that my username and password have not been changed, because it is always saved, but it may be that you have Many ftp servers, obviously you have changed the password and username, but you don't remember it. In this case of 2, you will only be distressed. At this moment, all you need to do is rebuild the username and password, including fileZilla. Such a client, as well as a server such as FTP xlight.

The reason for the error is as follows:

 Status: Insecure server, FTP over TLS is not supported. Command: USER ftpuser111 Response: 331 Requires password ftpuser111 command: PASS ************ Response: 530 No permission error: Critical error: Unable to connect to server 
 The solution is to rebuild the username and password.