Getting the following NPE when trying to do file import:

java.lang.NullPointerException
at org.teiid.designer.transformation.ui.wizards.file.TeiidMetadataImportDataSourcePage.createControl(TeiidMetadataImportDataSourcePage.java:149)
at org.eclipse.jface.wizard.WizardDialog.updateForPage(WizardDialog.java:1216)
at org.eclipse.jface.wizard.WizardDialog.access$4(WizardDialog.java:1208)
at org.eclipse.jface.wizard.WizardDialog$8.run(WizardDialog.java:1197)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.jface.wizard.WizardDialog.showPage(WizardDialog.java:1194)