Upload Config File not working

Upload Config File not working

I am trying to upload a config using the "upload config file" option in the upper right corner of the Config File Manager main page.

I saved the config from the device, using the oputils .config file type. I opened it in notepad++, edited 3 lines, and saved it back to my desktop.

I attempted to upload it using the "upload to single device" tab. it appears to do nothing when I click on the upload tab.

I also attempted it from the "upload to multiple devices" tab but only sending it to one device. under the status column next to that device, I get the swirling circle indicating it is busy doing something...but doesn't do anything.

I refreshed the backup, pulling down both saved and running configs from the device...the changes aren't there which tells me the upload isn't working. Also, I can log out, log back in and go back to the upload to multiple devices page...it still appears busy as if its trying to do something.
I checked internet explorer error message and it says 'problems with this webpage might prevent it from being displayed properly or functioning properly. In the future, you can display this message by double-clicking..........' and Show Details shows the following error:
Line: 52
Char: 2
Error: 'undefined is null or not an object
Code: 0
URL: http://localhost:7080/ConfigFileViewer.do?actionFrom=upload_ui





 
Any ideas why this is happening?

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