You can fix this issue by applying a patch to the firmware on the UC-8200 or by reloading our Ignition Onboard disk image on to the unit.
Option 1: Apply a Patch to the unit 
To patch the firmware on your UC-8200 Series, install the following  two deb packages  :
NOTE:
After you install the two  deb  packages and reboot the unit, the Ignition Edge license will be retained for all future reboots and power offs of the unit.
NOTE: The current software packages are applicable only to the UC-8200 Series  firmware v1.3  . The packages will be updated when a new firmware version is released.
Option 2: Reload the Ignition Edge Onboard image 
Download the latest Ignition Edge Onboard image for the UC-8200 unit.
	
		
			| Firmware Description | 
			Link | 
			Applicable Models | 
		
	
	
		
			Ignition Edge v8.1.7 
			ThingsPro Edge v2.2.0 | 
			Please contact a Moxa sales representative for the firmware image | 
			UC-8210-T-LX-S 
			UC-8220-T-LX 
			UC-8220-T-LX-US-S 
			UC-8220-T-LX-AP-S 
			UC-8220-T-LX-EU-S | 
		
	
 
To reload the image, refer to the instructions in the UC-8200 User’s Manual for Debian 9,  Chapter 6 System Boot Up, Recovery, and Update: 
https://www.moxa.com/en/products/industrial-computing/arm-based-computers/uc-8200-series#resources 
NOTE: Reloading the image will delete all data and projects saved on the unit.