Inventor 2017 三维PDF

各位大侠，我用Inventor 2017 创建三维 PDF时，老是报错，请问这个如何解决呀。谢谢各位报错如下：
Error:  System.ArgumentException: 参数错误。 (异常来自 HRESULT:0x80070057 (E_INVALIDARG))
   在 System.RuntimeType.ForwardCallToInvokeMember(String memberName, BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData& msgData)
   在 Inventor.SketchLine.get_Geometry3d()
   在 Anark.Core.Component.Cad.Implementation.Formats.InventorAdvancedFileFormat.ProcessSupplementalGeometryFromSketches(PlanarSketches sketches, ICadDagComponent component)
   在 Anark.Core.Component.Cad.Implementation.Formats.InventorAdvancedFileFormat.FindOrCreatePart(ICadDocument cadDocument, Int32 importActionId, PartComponentDefinition partDefn, String partName, Double facetTolerance)
   在 Anark.Core.Component.Cad.Implementation.Formats.InventorAdvancedFileFormat.TraversePart(ICadDocument cadDocument, Int32 importActionId, ComponentOccurrence partOcc, ICadAssembly parentAssy, Boolean isNewParentAssy, Double facetTolerance)
   在 Anark.Core.Component.Cad.Implementation.Formats.InventorAdvancedFileFormat.TraverseAssembly(ICadDocument cadDocument, Int32 importActionId, ComponentOccurrence assyOcc, ICadAssembly parentAssy, Boolean isNewParentAssy, Double facetTolerance)
   在 Anark.Core.Component.Cad.Implementation.Formats.InventorAdvancedFileFormat.BuildFromAssemblyDocument(AssemblyDocument assyDoc, ICadDocument cadDocument, Int32 importActionId)
   在 Anark.Core.Component.Cad.Implementation.Formats.InventorAdvancedFileFormat.OnReadDocument(String inFileName, ICadDocument& cadDocument, Int32 importActionId, ICoreApplicationSettings importPreferences, ProgressTracker progressTracker)
   在 Anark.Core.Component.Cad.Implementation.Formats.CadFileFormat.ReadDocument(String fileName, ICadDocument& cadDocument, Int32 importActionId, ProgressTracker progressTracker)
   在 Anark.Core.Component.Cad.Implementation.CommandSets.ImportCmd.ImportInteropFile(String fileName, ICadDocument& cadDocument, IImportExportCmdArgs importCmdArgs, ProgressTracker progressTracker)
   在 Anark.Core.Component.Cad.Implementation.CommandSets.ImportCmd.ImportCadFile(IImportExportCmdArgs importCmdArgs, ProgressTracker progressTracker)
   在 Anark.Core.Component.Cad.Implementation.CommandSets.ImportCmd.ImportFile(IImportExportCmdArgs importCmdArgs, ProgressTracker progressTracker)
   在 Anark.Core.Component.Cad.Implementation.CommandSets.ImportCmd.ExecuteCommand(IEnumerable`1 argsList, ProgressTracker progressTracker)
   在 Anark.Core.Framework.Implementation.Documents.CoreScriptDocument.ExecuteScript(ProgressTracker progressTracker)
   在 Anark.Core.Component.Cad.Implementation.Documents.Script.CadScriptDocument.ExecuteScript(ProgressTracker progressTracker)
   在 Anark.Core.Server.Automation.CoreWrapper.Start(String progressPipe)

这模型是不是太复杂了

我觉得你打算导出一份三维说明书，并且只是用来演示说明，而不是附在其他电子文档里的话，可以考虑使用3dvia。
这个软件可以导出可执行文件，阅读者可以自行剖切和测量尺寸，并且根据bom独立观察各个零部件
真的好

英文没有学习好呀