Destination error: File not found (550)

Can’t figure out why I am getting this error. I have the program configured to use port 1234 but it shows port 1233 in parts of the log. NOTE: I have changed filename and IP address for privacy.

10/24/2017 11:16 AM Starting job “Backup Job - 1” with backup type “Full”. The computer name: “MNGTSTATION”. The application version: “11.2.4”
10/24/2017 11:16 AM The backup folder of the job is “c:\Program Files (x86)\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\Backup” with “407.093GB” free space. The temporary folder of the job is “C:\Windows\TEMP\SYSTEM\Pranas.NET\SQLBackupAndFTP\backup” with “407.093GB” free space
10/24/2017 11:16 AM Backing up “.” SQL Server databases
10/24/2017 11:16 AM Getting maximum file size…
10/24/2017 11:16 AM The maximum file size: “”
10/24/2017 11:16 AM Backing up “testfile61” database to .bak file. Backup type: “Full”. Checksum: “Disabled”
10/24/2017 11:16 AM “testfile61” database backup successfully completed. Backup type: “Full”
10/24/2017 11:16 AM Database “testfile61” has been successfully backed up to “testfile61201710241116.bak : 158.555MB”
10/24/2017 11:16 AM Compressing “testfile61201710241116.bak” file with Internal archiver. Encryption: “Off”
10/24/2017 11:16 AM Backup of “testfile61” has been successfully compressed to “(testfile61201710241116.zip : 19.773MB)”
10/24/2017 11:16 AM Connecting to Folder destination “C:\SQL DB BACKUPS”
10/24/2017 11:16 AM Reading folder information by path: “C:\SQL DB BACKUPS”
10/24/2017 11:16 AM The current folder of the destination is “C:\SQL DB BACKUPS”
10/24/2017 11:16 AM Sending backup of “testfile61” to Folder destination “C:\SQL DB BACKUPS”
10/24/2017 11:16 AM Uploading the local file “testfile61201710241116.zip” into a remote file “testfile61201710241116.zip”
10/24/2017 11:16 AM Uploaded 100 % (average speed = 37 MB/s)
10/24/2017 11:16 AM Verifying remote file “testfile61201710241116.zip” with local one “testfile61201710241116.zip”
10/24/2017 11:16 AM Connecting to FTP destination “0.0.0.0”
10/24/2017 11:16 AM The current folder of the destination is “/”
10/24/2017 11:16 AM Sending backup of “testfile61” to FTP destination “0.0.0.0”
10/24/2017 11:16 AM Uploading the local file “testfile61201710241116.zip” into a remote file “testfile61201710241116.zip”
10/24/2017 11:16 AM Destination error: No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it 0.0.0.0:1233
10/24/2017 11:16 AM Getting “testfile61201710241116.zip” file size at “0.0.0.0”…
10/24/2017 11:16 AM Destination error: File not found (550).
10/24/2017 11:16 AM Trying again…
10/24/2017 11:17 AM Destination error: No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it 0.0.0.0:1233
10/24/2017 11:17 AM Getting “testfile61201710241116.zip” file size at “0.0.0.0”…
10/24/2017 11:17 AM Destination error: File not found (550).
10/24/2017 11:17 AM Trying again…
10/24/2017 11:17 AM Destination error: No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it 0.0.0.0:1233
10/24/2017 11:17 AM Getting “testfile61201710241116.zip” file size at “0.0.0.0”…
10/24/2017 11:17 AM Destination error: File not found (550).
10/24/2017 11:17 AM Trying again…
10/24/2017 11:17 AM Uploaded 0 % (average speed = 0 B/s)
10/24/2017 11:17 AM Destination error: No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it 0.0.0.0:1233
10/24/2017 11:17 AM Getting “testfile61201710241116.zip” file size at “0.0.0.0”…
10/24/2017 11:17 AM Destination error: File not found (550).
10/24/2017 11:17 AM Trying again…
10/24/2017 11:17 AM Destination error: No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it. > No connection could be made because the target machine actively refused it 0.0.0.0:1233
10/24/2017 11:17 AM Getting “testfile61201710241116.zip” file size at “0.0.0.0”…
10/24/2017 11:17 AM Destination error: [DST-2:1103#12] Failed to upload “C:\Windows\TEMP\SYSTEM\Pranas.NET\SQLBackupAndFTP\backup\testfile61201710241116.zip” file. > File not found (550).
10/24/2017 11:17 AM Disconnecting from FTP destination “0.0.0.0”
10/24/2017 11:17 AM Cleaning up backups of “Backup Job - 1” job
10/24/2017 11:17 AM Cleaning up backups of “testfile61” database at Folder destination “C:\SQL DB BACKUPS”
10/24/2017 11:17 AM Disconnecting from Folder destination “C:\SQL DB BACKUPS”
10/24/2017 11:17 AM Job “Backup Job - 1” finished with “1” errors
10/24/2017 11:17 AM Sending report to ${https://sqlbackupandftp.com/weblog?jobid=3257b273-751a-45ea-b462-551fd2883b9d|web log}

Hello,

Thank you for the issue reporting.

Could you please check your firewall settings, also, please make sure that you have specified your username with a domain.