Major "oldArmy" error occurred

While to "drag-move" a unit to a "new" location to refresh the page (after being away for awhile) (the unit was already caught up to the location that I earlier set it upon and re-set it upon the same place, but the unit had already combined with other units at that location on the server but not in the client due to lack of refreshing).

This error is a thing that occurs all the time due to lack of auto-refresh...which is the real error. The loaded game should auto-refresh periodically. However, I've never seen this error reported in this way, before, so this is possibly something new...either in the reporting or else in the error itself (I believe it is just in the reporting). However, this may just be an FP thing as I'm not sure if I've had the not-refreshed bug happen in an FP match before....(though I believe it has, with me, which is why this is so unusual).

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Message: TypeError: oldArmy is null

File: http://www.callofwar.com/ww2-dev/js/main-built-min.js:49357:9

Trace: hup.ArmyController.prototype.createCommands@http://www.callofwar.com/ww2-dev/js/main-built-min.js?bust=1471108793:49357:9

hup.ArmyController.prototype.setDragTarget@http://www.callofwar.com/ww2-dev/js/main-built-min.js?bust=1471108793:49258:20

hup.MapMouseController.prototype.setArmyTarget@http://www.callofwar.com/ww2-dev/js/main-built-min.js?bust=1471108793:69936:5

hup.MapMouseController.prototype.onMouseDrag@http://www.callofwar.com/ww2-dev/js/main-built-min.js?bust=1471108793:69820:7

hup.ui.MapWidget.prototype.registerMouseListeners/mousemoveCallback@http://www.callofwar.com/ww2-dev/js/main-built-min.js?bust=1471108793:70486:17

hup.ui.MapWidget.prototype.registerMouseListeners/<@http://www.callofwar.com/ww2-dev/js/main-built-min.js?bust=1471108793:70501:11

x.event.dispatch@https://ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js:5:9954

x.event.add/y.handle@https://ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js:5:6772