Error getting FTP files: Error from FTP Server, 550 Failed to change directory. ; Caused by: Error from FTP Server, 550 Failed to change directory.
Please refer below link:
FTP Error - 550 Failed to change directory
Just had that error yesterday, because I forgot to set a Process Property as extensible. The property defines the directory on the FTP server. Have you set the directory right?
Retrieving data ...