Ocorreu um erro crítico na aplicação no Sped Fiscal 2.3.5

Olá, boa tarde.
Ao importar o arquivo do sistema para o Sped fiscal aparece a seguinte mensagem: A aplicação não conseguiu completar a operação desejada.
Aparece a opção de enviar relatório de erros e aparece detalhes sobre esse erro. Ao clicar aparece outra mensagem:


/10/2017 - 15:00:58 -Sistema: SPED-FISCAL -Versão: 2.3.5 -Sistema Operacional: Windows 7 -Arquitetura SO: 32 -Versão Java: 1.8.0_51 -Arquitetura JVM: 32

br.gov.serpro.sped.fiscalpva.dominio.excecao.ExcecaoNaoTratada: Ocorreu um erro interno no sistema.
at br.gov.serpro.sped.fiscalpva.fronteira.ppgd.acoes.Acoes.actionPerformed(Acoes.java:312)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at br.gov.serpro.sped.fiscalpva.nucleo.controle.fabrica.FabricaControle.setarVersao(FabricaControle.java:267)
at br.gov.serpro.sped.fiscalpva.fronteira.ppgd.acoes.Acoes.acaoImportarEscrituracao(Acoes.java:1328)
at br.gov.serpro.sped.fiscalpva.fronteira.ppgd.acoes.Acoes.actionPerformed(Acoes.java:184)
... 37 more

Como proceder para corrigir esse erro? Agradeço desde já a resposta.