Dell Boomi – Error setting up FTP connection: Could not parse response code

Error:

Error Code: 422
Error Message:Error setting up FTP connection: Could not parse response code.
Server Reply: SSH-2.0-SshServer; Caused by: Could not parse response code.
Server Reply: SSH-2.0-SshServer

Unexpected error executing process: com.boomi.connector.ConnectorException: Error setting up FTP connection: Could not parse response code.
Server Reply: SSH-2.0-SshServer
Caused by: Error setting up FTP connection: Could not parse response code. Server Reply: SSH-2.0-OpenSSH_5.3; Caused by: Could not parse response code. Server Reply: SSH-2.0-OpenSSH_5.3

Issue: Using FTP instead of using SFTP.

Solution: Recreate the SFTP connection and operation. Prior to that use FileZilla or WinSCP to test the FTP credentials.