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Raoul Molenkamp
Managing Director

Batenburg JB Systems supplies industrial automation solutions worldwide for customers in the mechanical engineering, offshore and process industries. With more than twenty years of experience and 70 experienced engineers, our relations can benefit from an enormous amount of knowledge and experience! We believe in technology, but above all in people. In their ability to be agile and creative, in their ambitions and dreams, in the sense of responsibility with which they get the best out of themselves, others and technical possibilities.
Raoul Molenkamp
Managing Director
System.NullReferenceException: Object reference not set to an instance of an object. at Umbraco.Web.PropertyEditors.ValueConverters.MultiUrlPickerValueConverter.ConvertIntermediateToObject(IPublishedElement owner, IPublishedPropertyType propertyType, PropertyCacheLevel referenceCacheLevel, Object inter, Boolean preview) in D:\a\1\s\src\Umbraco.Web\PropertyEditors\ValueConverters\MultiUrlPickerValueConverter.cs:line 51 at Umbraco.Core.Models.PublishedContent.PublishedPropertyType.ConvertInterToObject(IPublishedElement owner, PropertyCacheLevel referenceCacheLevel, Object inter, Boolean preview) in D:\a\1\s\src\Umbraco.Core\Models\PublishedContent\PublishedPropertyType.cs:line 221 at Umbraco.Web.PublishedCache.PublishedElementPropertyBase.GetValue(String culture, String segment) in D:\a\1\s\src\Umbraco.Web\PublishedCache\PublishedElementPropertyBase.cs:line 169 at Umbraco.Web.PublishedPropertyExtension.Value[T](IPublishedProperty property, String culture, String segment, Fallback fallback, T defaultValue) in D:\a\1\s\src\Umbraco.Web\PublishedPropertyExtension.cs:line 39 at Umbraco.Web.PublishedElementExtensions.Value[T](IPublishedElement content, String alias, String culture, String segment, Fallback fallback, T defaultValue) in D:\a\1\s\src\Umbraco.Web\PublishedElementExtensions.cs:line 136 at Umbraco.Web.PublishedModels.CtaModuleElement.get_IntOrExtUrl() in C:\vsts\agent\_work\4\s\Batenburg_Website\App_Data\Models\CtaModuleElement.generated.cs:line 60 at ASP._Page_Views_Partials_CTAModuleItem_cshtml.Execute() at System.Web.WebPages.WebPageBase.ExecutePageHierarchy() at System.Web.Mvc.WebViewPage.ExecutePageHierarchy() at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) at System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) at System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) at Umbraco.Web.Mvc.ProfilingView.Render(ViewContext viewContext, TextWriter writer) in D:\a\1\s\src\Umbraco.Web\Mvc\ProfilingView.cs:line 25 at System.Web.Mvc.HtmlHelper.RenderPartialInternal(String partialViewName, ViewDataDictionary viewData, Object model, TextWriter writer, ViewEngineCollection viewEngineCollection) at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData) at ASP._Page_Views_Partials_LinkGridModule_cshtml.Execute() at System.Web.WebPages.WebPageBase.ExecutePageHierarchy() at System.Web.Mvc.WebViewPage.ExecutePageHierarchy() at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) at System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) at System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) at Umbraco.Web.Mvc.ProfilingView.Render(ViewContext viewContext, TextWriter writer) in D:\a\1\s\src\Umbraco.Web\Mvc\ProfilingView.cs:line 25 at System.Web.Mvc.HtmlHelper.RenderPartialInternal(String partialViewName, ViewDataDictionary viewData, Object model, TextWriter writer, ViewEngineCollection viewEngineCollection) at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData) at Our.Umbraco.DocTypeGridEditor.Web.Extensions.HtmlHelperExtensions.RenderDocTypeGridEditorItem(HtmlHelper helper, IPublishedElement content, String editorAlias, String viewPath, String previewViewPath, Boolean isPreview) at ASP._Page_app_plugins_doctypegrideditor_render_DocTypeGridEditor_cshtml.Execute() at System.Web.WebPages.WebPageBase.ExecutePageHierarchy() at System.Web.Mvc.WebViewPage.ExecutePageHierarchy() at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) at System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) at System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) at Umbraco.Web.Mvc.ProfilingView.Render(ViewContext viewContext, TextWriter writer) in D:\a\1\s\src\Umbraco.Web\Mvc\ProfilingView.cs:line 25 at System.Web.Mvc.HtmlHelper.RenderPartialInternal(String partialViewName, ViewDataDictionary viewData, Object model, TextWriter writer, ViewEngineCollection viewEngineCollection) at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData) at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model) at ASP._Page_Views_Partials_grid_editors_Base_cshtml.Execute()
9 June 2020
Ampelmann is the success story of a number of students from TU Delft, who set up a successful company with an innovative idea and made a big contribution to increasing safety levels when boarding boats and working at sea.