ATUM Inventory plugin causing a problem updating variable products

It seems that the latest version of ATUM Inventory is causing a problem whenever I try to modify a variable product. Whenever I modify the inventory count on one of the variables and try to write the update I get a message saying “The backup of this post in your prowser is different from the version below” and has a “restore the backup” button. I also get for awhile a “Connection Lost. Saving has been disabled until you’re reconnected. We’re backing up this post in your browser, just in case” message.

If I disable the ATUM inventory module I do not have this issue. I hope you are able to help me resolve this issue fairly quickly.