EDIT

When opening the biocase or gbif import view:

last remote method : http://160.45.63.230:80/cdmserver/caryophyllales_demo_05/remoting/common.service
last remote request client time : 2021-09-08T13:58:29.224
last remote request response header time : Wed, 08 Sep 2021 18:58:12 GMT
client error time : 2021-09-08T14:01:01.473
login : admin
editor version : 5.26.0
server : 160.45.63.230 (demo I) / caryophyllales_demo_05
schema version : 5.25.1.0.20210702
os : Windows 10 10.0 amd64
java : 1.8.0_301
org.eclipse.core.runtime.AssertionFailedException: null argument:
               at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)
               at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)
               at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1193)
               at eu.etaxonomy.taxeditor.view.dataimport.e4.SpecimenSearchWizard.performFinish(SpecimenSearchWizard.java:117)
               at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:790)
               at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:423)
               at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:618)
               at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249)
               at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
               at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4418)
               at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
               at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4236)
               at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3824)
               at org.eclipse.jface.window.Window.runEventLoop(Window.java:818)
               at org.eclipse.jface.window.Window.open(Window.java:794)
               at eu.etaxonomy.taxeditor.view.dataimport.e4.handler.OpenSpecimenImportWizard.execute(OpenSpecimenImportWizard.java:32)
               at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
               at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
               at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
               at java.lang.reflect.Method.invoke(Unknown Source)
               at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
               at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:282)
               at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:264)
               at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
               at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152)
               at org.eclipse.core.commands.Command.executeWithChecks(Command.java:494)
               at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:488)
               at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)
               at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:433)
               at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.handleWidgetSelection(AbstractContributionItem.java:454)
               at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem$3.handleEvent(AbstractContributionItem.java:482)
               at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
               at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4418)
               at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
               at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4236)
               at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3824)
               at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
               at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
               at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
               at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
               at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693)
               at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
               at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
               at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
               at eu.etaxonomy.taxeditor.Application.start(Application.java:20)
               at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
               at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
               at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
               at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
               at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
               at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
               at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
               at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
               at java.lang.reflect.Method.invoke(Unknown Source)
               at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
               at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
               at org.eclipse.equinox.launcher.Main.run(Main.java:1519)