Error SFTP Operation Failed. ComponentActivator could not instantiate EClib.Model.SFTP.DeviceUnmountTransaction

Error Message  - Error SFTP Operation Failed. ComponentActivator could not instantiate EClib.Model.SFTP.DeviceUnmountTransaction

Solution:  Update your ES e4.5 and the EC Device should have the latest Firmware running

You can check your EC Device firmware by following the steps below 

In Embroidery Hub
Double click the EC Device  > click INFO Tab 
Locate the Current firmware version  [Please refer to the screenshot below] 

To update, please use the links below for the procedures. 

EC Device Firmware Update  https://help.wilcom.com/hc/en-us/articles/360001631055-EmbroideryConnect-Firmware-Update 

ES e4.5 Update -  https://help.wilcom.com/hc/en-us/articles/360002152635-EmbroideryStudio-e4-5-2-ServicePack-e4-5-2-12-Nov-2020-23-1-105-20039-Update