Terry, thanks for the quick response.
[Thread-7] INFO net.maizegenetics.tassel.DataTreePanel - initSelectionListener: node type: class net.maizegenetics.dna.snp.CoreGenotypeTable
[AWT-EventQueue-0] INFO net.maizegenetics.tassel.DataTreePanel - initSelectionListener: node type: class net.maizegenetics.dna.snp.CoreGenotypeTable
[Thread-8] INFO net.maizegenetics.tassel.DataTreePanel - initSelectionListener: node type: class net.maizegenetics.dna.snp.CombineGenotypeTable
[Thread-9] DEBUG net.maizegenetics.dna.snp.ExportUtils - null
java.lang.ArrayIndexOutOfBoundsException
at java.lang.System.arraycopy(Native Method)
at net.maizegenetics.dna.snp.CombineGenotypeTable.genotypeAllTaxa(CombineGenotypeTable.java:408)
at net.maizegenetics.dna.snp.ExportUtils.writeToHapmap(ExportUtils.java:142)
at net.maizegenetics.analysis.data.ExportPlugin.performFunctionForAlignment(ExportPlugin.java:319)
at net.maizegenetics.analysis.data.ExportPlugin.performFunction(ExportPlugin.java:90)
at net.maizegenetics.plugindef.AbstractPlugin.dataSetReturned(AbstractPlugin.java:1631)
at net.maizegenetics.plugindef.ThreadedPluginListener.run(ThreadedPluginListener.java:29)
java.lang.IllegalArgumentException: Error writing Hapmap file: /Users/admin/CRD_GBS/CRD_Union.hmp.txt: null
at net.maizegenetics.dna.snp.ExportUtils.writeToHapmap(ExportUtils.java:198)
at net.maizegenetics.analysis.data.ExportPlugin.performFunctionForAlignment(ExportPlugin.java:319)
at net.maizegenetics.analysis.data.ExportPlugin.performFunction(ExportPlugin.java:90)
at net.maizegenetics.plugindef.AbstractPlugin.dataSetReturned(AbstractPlugin.java:1631)
at net.maizegenetics.plugindef.ThreadedPluginListener.run(ThreadedPluginListener.java:29)