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java.lang.ArrayIndexOutOfBoundsException: -2	at mekhq.campaign.unit.Unit.initializeParts(	at mekhq.campaign.Campaign.createCampaignFromXMLFileInputStream(	at mekhq.gui.dialog.DataLoadingDialog$Task.doInBackground(	at mekhq.gui.dialog.DataLoadingDialog$Task.doInBackground(	at javax.swing.SwingWorker$ Source)	at Source)	at Source)	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor$ Source)	at Source)