Detail of Error Messages is:

Could not connect to the AppServer: General Error: com.progress.open4gl.NameServerCommunicationsException: Connect Failure: NameServer Communications Failure - Connection reset by peer (8230). (7203)"

DataPA could not connect to your NameServer. Make sure the NameServer is running, and that the Service field of your system is set to the same value as your NameServer port number (see below).