Oracle Connection 18.1.5

by connecting to a Oracle database we get this error: ( Connection to M$ SQL Server works fine)

08.09.18 11:43:09.339 Result: rowcount = 4, size = 66
08.09.18 11:42:06.760 Check App Name Compatibility
08.09.18 11:42:06.760 Check stored module versions against the versions of the loaded modules
08.09.18 11:42:06.760 module 'SystemModule' (DevExpress.ExpressApp.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'SystemWindowsFormsModule' (DevExpress.ExpressApp.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'BusinessClassLibraryCustomizationModule' (DevExpress.ExpressApp.Objects.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'ValidationModule' (DevExpress.ExpressApp.Validation.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'CloneObjectModule' (DevExpress.ExpressApp.CloneObject.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'ConditionalAppearanceModule' (DevExpress.ExpressApp.ConditionalAppearance.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'FileAttachmentsWindowsFormsModule' (DevExpress.ExpressApp.FileAttachment.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'SchedulerModuleBase' (DevExpress.ExpressApp.Scheduler.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'SchedulerWindowsFormsModule' (DevExpress.ExpressApp.Scheduler.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'TreeListEditorsModuleBase' (DevExpress.ExpressApp.TreeListEditors.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'TreeListEditorsWindowsFormsModule' (DevExpress.ExpressApp.TreeListEditors.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'ValidationWindowsFormsModule' (DevExpress.ExpressApp.Validation.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'CustomControlsModule' (wsb.erp.module.CustomControls). Local version: 3.0.0.0, Version on DB: 3.0.0.0
08.09.18 11:42:06.760 module 'HtmlPropertyEditorWindowsFormsModule' (DevExpress.ExpressApp.HtmlPropertyEditor.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'ReportsModule' (DevExpress.ExpressApp.Reports.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'ReportsWindowsFormsModule' (DevExpress.ExpressApp.Reports.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'netWindowsFormsModule' (wsb.erp.net.Module.Win). Local version: 3.0.0.0, Version on DB: 3.0.0.0
08.09.18 11:42:06.760 module 'PivotGridModule' (DevExpress.ExpressApp.PivotGrid.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'PivotGridWindowsFormsModule' (DevExpress.ExpressApp.PivotGrid.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'PivotChartModuleBase' (DevExpress.ExpressApp.PivotChart.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'PivotChartWindowsFormsModule' (DevExpress.ExpressApp.PivotChart.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'StateMachineModule' (DevExpress.ExpressApp.StateMachine.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'wsberpmodule' (wsb.erp.net.Module). Local version: 3.1.1.36, Version on DB: 3.1.1.36
08.09.18 11:42:06.760 module 'budgetplanungModule' (wsb.erp.net.budgetplanung). Local version: 3.0.0.0, Version on DB: 3.0.0.0
08.09.18 11:42:06.760 module 'budgetplanungWinModule' (wsb.erp.net.win.budgetplanung). Local version: 3.0.0.0, Version on DB: 3.0.0.0
08.09.18 11:42:06.760 module 'WorkflowModule' (DevExpress.ExpressApp.Workflow.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'WorkflowWindowsFormsModule' (DevExpress.ExpressApp.Workflow.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'NotificationsModule' (DevExpress.ExpressApp.Notifications.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'NotificationsWindowsFormsModule' (DevExpress.ExpressApp.Notifications.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'ChartModule' (DevExpress.ExpressApp.Chart.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'ChartWindowsFormsModule' (DevExpress.ExpressApp.Chart.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'KpiModule' (DevExpress.ExpressApp.Kpi.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'fertigungModule' (wsb.erp.net.fertigung). Local version: 3.0.0.0, Version on DB: 3.0.0.0
08.09.18 11:42:06.760 module 'qsWindowsFormsModule' (wsb.erp.net.qs.Module.Win). Local version: 2.0.0.0, Version on DB: 2.0.0.0
08.09.18 11:42:06.760 module 'ScriptRecorderModuleBase' (DevExpress.ExpressApp.ScriptRecorder.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'ViewVariantsModule' (DevExpress.ExpressApp.ViewVariantsModule.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'dbModule' (wsb.erp.net.db.Module). Local version: 1.0.0.0, Version on DB: 1.0.0.0
08.09.18 11:42:06.760 module 'ScriptRecorderWindowsFormsModule' (DevExpress.ExpressApp.ScriptRecorder.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'dbWindowsFormsModule' (wsb.erp.net.db.Module.Win). Local version: 1.0.0.0, Version on DB: 1.0.0.0
08.09.18 11:42:06.760 module 'moduleGanttModule' (GanttControl). Local version: 1.0.0.0, Version on DB: 1.0.0.0
08.09.18 11:42:06.760 module 'lieferscheinWindowsFormsModule' (wsb.erp.net.lieferschein.Module.Win). Local version: 1.0.0.0, Version on DB: 1.0.0.0
08.09.18 11:42:06.760 module 'moduleRechnungFormsModule' (wsb.erp.net.rechnung.module.Module.Win). Local version: 1.0.0.1, Version on DB: 1.0.0.1
08.09.18 11:42:06.760 module 'AuftragWindowsFormsModule' (wsb.erp.net.Auftrag.module.Module.Win). Local version: 1.1.0.0, Version on DB: 1.1.0.0
08.09.18 11:42:06.760 module 'moduleLinqToXpoModule' (XAF.LinqToXpo.module.Module.Win). Local version: 1.1.0.0, Version on DB: 1.1.0.0
08.09.18 11:42:06.760 module 'AngebotWindowsFormsModule' (wsb.erp.net.angebot.module.Module.Win). Local version: 1.1.0.0, Version on DB: 1.1.0.0
08.09.18 11:42:06.760 module 'ReportsModuleV2' (DevExpress.ExpressApp.ReportsV2.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'ReportsWindowsFormsModuleV2' (DevExpress.ExpressApp.ReportsV2.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'VerteilerDruckFormsModule' (wsb.erp.net.print.module.Module.Win). Local version: 1.1.0.0, Version on DB: 1.1.0.0
08.09.18 11:42:06.760 module 'SecurityModule' (DevExpress.ExpressApp.Security.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'EinkaufsWindowsFormsModule' (wsb.erp.net.einkauf.module.Module.Win). Local version: 1.1.2.2, Version on DB: 1.1.2.2
08.09.18 11:42:06.760 module 'DashboardsModule' (DevExpress.ExpressApp.Dashboards.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'DashboardsWindowsFormsModule' (DevExpress.ExpressApp.Dashboards.Win.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'techWindowsFormsModule' (wsb.erp.net.tech.Module.Win). Local version: 2.0.0.0, Version on DB: 2.0.0.0
08.09.18 11:42:06.760 module 'swdModule' (wsb.erp.net.swd). Local version: 1.1.5.0, Version on DB: 1.1.5.0
08.09.18 11:42:06.760 module 'AuditTrailModule' (DevExpress.ExpressApp.AuditTrail.v18.1). Local version: 18.1.5.0, Version on DB: 18.1.5.0
08.09.18 11:42:06.760 module 'LlamachantFrameworkModule' (LlamachantFramework.Module). Local version: 1.0.6824.28938, Version on DB: 1.0.6824.28938
08.09.18 11:42:06.760 module 'LlamachantFrameworkWindowsFormsModule' (LlamachantFramework.Module.Win). Local version: 1.0.6824.28939, Version on DB: 1.0.6824.28939
08.09.18 11:42:06.760 module 'XafariModule' (Xafari). Local version: 18.1.5011.0, Version on DB: 0.0.0.0
08.09.18 11:42:06.760 DatabaseIsOld
wsb.erp.net.Win.exe Error: 0 : 08.09.18 11:43:17.349 ================================================================================
The error occurred:

Type: NullReferenceException
Message: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt.
Data: 0 entries
Stack trace:

bei DevExpress.Xpo.DB.ConnectionProviderSql.GetPrimaryKeyName(DBPrimaryKey cons, DBTable table)
bei Xafari.DB.XafariOracleConnectionProvider.CheckPrimaryKeyDifference(DBPrimaryKey primaryKey, DBTable table)
bei Xafari.DB.XafariOracleConnectionProviderBase.ProcessUpdateSchema(Boolean skipIfFirstTableNotExists, DBTable[] tables)
bei DevExpress.Xpo.DB.DataStoreSerializedBase.UpdateSchema(Boolean dontCreateIfFirstTableNotExist, DBTable[] tables)
bei DevExpress.Xpo.DB.ConnectionProviderSql.UpdateSchema(Boolean dontCreateIfFirstTableNotExist, DBTable[] tables)
bei DevExpress.Xpo.SimpleDataLayer.c__DisplayClass4.b__3()
bei DevExpress.Xpo.SimpleDataLayer.ReentrancyAndThreadSafetyChecked[T](Func`1 action)
bei DevExpress.Xpo.SimpleDataLayer.UpdateSchema(Boolean dontCreate, XPClassInfo[] types)
bei DevExpress.ExpressApp.Xpo.XPObjectSpaceProvider.DevExpress.ExpressApp.IObjectSpaceProvider.UpdateSchema()
bei DevExpress.ExpressApp.Updating.DatabaseUpdaterBase.UpdateCore(IObjectSpace updatingObjectSpace, IList`1 versionInfoList)
bei DevExpress.ExpressApp.Updating.DatabaseUpdater.Update()
InnerException is null