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java.lang.ArrayIndexOutOfBoundsException: -1	at java.util.ArrayList.get(Unknown Source)	at org.pentaho.di.core.row.RowMeta.getValueMeta(RowMeta.java:154)	at org.pentaho.di.trans.steps.analyticquery.AnalyticQueryMeta.getFields(AnalyticQueryMeta.java:280)	at org.pentaho.di.trans.TransMeta.getThisStepFields(TransMeta.java:1844)	at org.pentaho.di.trans.TransMeta.getStepFields(TransMeta.java:1689)	at org.pentaho.di.trans.TransMeta.getPrevStepFields(TransMeta.java:1747)	at org.pentaho.di.trans.TransMeta.getPrevStepFields(TransMeta.java:1719)	at org.pentaho.di.trans.TransMeta.getPrevStepFields(TransMeta.java:1707)	at org.pentaho.di.ui.trans.steps.joinrows.JoinRowsDialog.open(JoinRowsDialog.java:267)	at org.pentaho.di.ui.spoon.delegates.SpoonStepsDelegate.editStep(SpoonStepsDelegate.java:123)