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java.lang.NullPointerException: null at org.compiere.model.MPayment.setC_Order_ID( at org.compiere.model.MPayment.reverseCorrectIt( at org.compiere.model.MPayment.voidIt( at org.compiere.process.DocumentEngine.voidIt( at org.compiere.process.DocumentEngine.processIt0( at org.compiere.process.DocumentEngine.processIt( at org.compiere.process.DocumentEngine.processIt( at de.metas.document.engine.impl.AbstractDocActionBL.processIt( at org.compiere.model.MPayment.processIt( at at at at at at at at at at org.adempiere.util.ProcessUtil.startWorkFlow( at org.compiere.apps.ProcessCtl.startWorkflow( at at