FTP smart service failing to send file

I have been trying to configure the Send File over FTP smart service all day and have not had any success.  Not sure what else to try.

Current Process Model is simply create a CSV file and upload it over FTP:

Send File Over FTP configuration:

External System key - avalon

Use Per User Credentials - False

Server Hostname  ="avalon.lhtech.com"

Server Port - 21

Remote directory path  ="/Vendor_Shipment_Reports/432.csv"

Document to Send - =pv!HydacShipFinal - created in previous step as 432.csv

Enter Local Active Mode - False

Binary File Type - True

I have created my credentials in " Third Party Credentials" as avalon:

Every time I run the process, I get the following error via the log:

2022-11-01 19:11:32,441 [Appian Work Item - 4585 - WorkID 114 - execution02 - process 536871728 - model 684 : UnattendedJavaActivityRequest] ERROR com.appian.ps.plugins.sftpsmartservices.FTPConfig - Login failed
2022-11-01 19:11:32,442 [Appian Work Item - 4585 - WorkID 114 - execution02 - process 536871728 - model 684 : UnattendedJavaActivityRequest] ERROR com.appian.ps.plugins.sftpsmartservices.SendFileOverFTP - Error sending file
org.apache.commons.net.ftp.FTPConnectionClosedException: Connection closed without indication.
	at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:324)
	at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:300)
	at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:523)
	at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:648)
	at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:622)
	at org.apache.commons.net.ftp.FTP.quit(FTP.java:904)
	at org.apache.commons.net.ftp.FTPClient.logout(FTPClient.java:1148)
	at com.appian.ps.plugins.sftpsmartservices.FTPConfig.sendFile(FTPConfig.java:121)
	at com.appian.ps.plugins.sftpsmartservices.SendFileOverFTP.sendFile(SendFileOverFTP.java:126)
	at com.appian.ps.plugins.sftpsmartservices.SendFileOverFTP.run(SendFileOverFTP.java:85)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.lambda$call$0(DefaultActivityExecutor.java:136)
	at com.appiancorp.plugins.PluginUsageLogger.runWithPluginInformation(PluginUsageLogger.java:52)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:136)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor$1.call(DefaultActivityExecutor.java:130)
	at com.appiancorp.common.ContextClassLoaderSwitcher.runInContext(ContextClassLoaderSwitcher.java:27)
	at com.appiancorp.process.runtime.framework.DefaultActivityExecutor.execute(DefaultActivityExecutor.java:130)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute(UnattendedJavaActivityRequest.java:88)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequestResponseCreator.getJavaActivityResultResponse(UnattendedJavaActivityRequestResponseCreator.java:21)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.getJavaActivityResultResponse(UnattendedJavaActivityRequest.java:67)
	at com.appiancorp.process.engine.UnattendedJavaActivityRequest.execute0(UnattendedJavaActivityRequest.java:55)
	at com.appiancorp.common.persistence.data.AppianDataUserContextProvider.executeWithConsistentDataReads(AppianDataUserContextProvider.java:143)
	at com.appiancorp.process.engine.ProcessContinuationRequest.executeOuter(ProcessContinuationRequest.java:68)
	at com.appiancorp.process.engine.ContinuationRequest.execute(ContinuationRequest.java:129)
	at com.appiancorp.process.workpoller.UnattendedRequestHandlerBean.onMessage(UnattendedRequestHandlerBean.java:36)
	at com.appiancorp.process.workpoller.WorkItem.run(WorkItem.java:110)
	at org.springframework.jca.work.SimpleTaskWorkManager$DelegatingWorkAdapter.run(SimpleTaskWorkManager.java:239)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)

The credentials are the same that I am using in WinSCP and FileZilla.  both of those are working just fine for connecting to the FTP site.

I also tried putting a file on to the FTP site by using FileZilla and then configuring Receiving a file via FTP.  That also didn't work.  The file path shown on FileZilla was the following:

avalon.lhtech.com/Vendor_Shipment_Reports/431.csv

Any ideas?