Open your scene and go to your real flow mesh path.
If the path is set to a specific drive, then you will need to recreate the path on your ftp account.
If the is set to C drive, then you will need to change the path to a different path. In the following example, were using the the D drive. D:\realflow\xxx.bin
Go to the ftp.rendercore.com and create a new folder and name it "D". Drag your binary files to the D folder.
Email us with the Software/version that your using, so that we can verify that correct real flow plug-in installed on the farm.