Validator Configuration Synchronizer

My process worked normally, but now when I run the process, it returns the error below:
Does anyone know where can be the problem?

A execução falhou na retirada do processo org.bonitasoft.studio.validators.provider.ValidatorConfigurationSynchronizer.addNewValidators(ValidatorConfigurationSynchronizer.java:77) org.bonitasoft.studio.validators.provider.ValidatorConfigurationSynchronizer.synchronize(ValidatorConfigurationSynchronizer.java:60) org.bonitasoft.studio.configuration.ConfigurationSynchronizer.synchronize(ConfigurationSynchronizer.java:168) org.bonitasoft.studio.configuration.ConfigurationSynchronizer.synchronize(ConfigurationSynchronizer.java:132) org.bonitasoft.studio.engine.export.BarExporter.getConfiguration(BarExporter.java:275) org.bonitasoft.studio.engine.operation.DeployProcessOperation.createSession(DeployProcessOperation.java:128) org.bonitasoft.studio.engine.operation.DeployProcessOperation.undeployProcess(DeployProcessOperation.java:256) org.bonitasoft.studio.engine.operation.DeployProcessOperation.undeploy(DeployProcessOperation.java:249) org.bonitasoft.studio.engine.operation.DeployProcessOperation.run(DeployProcessOperation.java:110) org.bonitasoft.studio.engine.command.RunProcessCommand$2.run(RunProcessCommand.java:210) org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)

up…
following

This error also occurs when exporting the process…
More Someone with this problem?

java.lang.NullPointerException at org.bonitasoft.studio.validators.provider.ValidatorConfigurationSynchronizer.addNewValidators(ValidatorConfigurationSynchronizer.java:77) at org.bonitasoft.studio.validators.provider.ValidatorConfigurationSynchronizer.synchronize(ValidatorConfigurationSynchronizer.java:60) at org.bonitasoft.studio.configuration.ConfigurationSynchronizer.synchronize(ConfigurationSynchronizer.java:168) at org.bonitasoft.studio.configuration.ConfigurationSynchronizer.synchronize(ConfigurationSynchronizer.java:132) at org.bonitasoft.studio.exporter.handler.ExportBosArchiveHandler.getConfiguration(ExportBosArchiveHandler.java:189) at org.bonitasoft.studio.exporter.handler.ExportBosArchiveHandler.getAllDiagramRelatedFiles(ExportBosArchiveHandler.java:115) at org.bonitasoft.studio.exporter.handler.ExportBosArchiveHandler.execute(ExportBosArchiveHandler.java:77) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476) at org.bonitasoft.studio.exporter.coolbar.ExportBarCoolbarItem$1.widgetSelected(ExportBarCoolbarItem.java:202) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3588) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3209) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.bonitasoft.studio.application.BonitaStudioApplication.start(BonitaStudioApplication.java:75) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410)

problem solved. Problems with custom validators.

Hi,

are you using custom validators?
Did you check that they are embedded in the environment that you choose? Does the jar of this potential custom validator is available in the generated .bar?

Regards,