产品版本: WinCC flexible SMART V5; V 5.00; V 5.0.0.0 (35.05.02)
System.NullReferenceException Object reference not set to an instance of an object.
Exception Source Common.Globalization
Exception Target Site Boolean TryGetFontLinks(System.String, System.Collections.Generic.ICollection`1[Siemens.Simatic.Hmi.Utah.Common.Globalization.FontFileInfo.FontLinkInfo] ByRef)
Exception Stack Trace at Siemens.Simatic.Hmi.Utah.Common.Globalization.FontFileInfo.FontLinkInfoReader.TryGetFontLinks(String fontFamilyName, ICollection`1& fontInfos) at Siemens.Simatic.Hmi.Utah.Common.Services.FontFileInfoService.TryGetFontLinks(String fontFamilyName, ICollection`1& fontInfos) at Siemens.Simatic.Hmi.Utah.Common.Globalization.FontFileInfo.FontInfo.GetFontLinkInfos(Font rawFont) at Siemens.Simatic.Hmi.Utah.GraphXWeb.RenderLayer.RenderElementHelper.GetFontFallback(Font font, String defaultFontName) at Siemens.Simatic.Hmi.Utah.GraphXWeb.RenderLayer.TextContent.UpdateFontFallBackList() at Siemens.Simatic.Hmi.Utah.GraphXWeb.RenderLayer.TextContent.OnInitialized() at Microsoft.AspNetCore.Components.ComponentBase.RunInitAndSetParametersAsync() at Microsoft.AspNetCore.Components.WebView.IpcSender.<>c__DisplayClass12_0.b__1() at Microsoft.AspNetCore.Components.WebView.WindowsForms.WindowsFormsDispatcher.InvokeAsync(Action workItem) at Microsoft.AspNetCore.Components.WebView.WindowsForms.WindowsFormsDispatcher.<>c.<.cctor>b__8_0(Exception exception) at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor) at System.Reflection.MethodBaseInvoker.InvokeDirectByRefWithFewArgs(Object obj, Span`1 copyOfArgs, BindingFlags invokeAttr) End Exception