Word Test of develop question

Aspose.Words Product Family
1

Hello . I need your help !
when I develop words of java in my project , I find a new Error with

"java.lang.IllegalStateException: Parent cannot be null."

This Error in this function : doc.save(PATH);
this is error information:

java.lang.IllegalStateException: Parent cannot be null.
	at com.aspose.words.zzWqD.zzYGR(Unknown Source)
	at com.aspose.words.zzWqD.zzXWJ(Unknown Source)
	at com.aspose.words.zzZ3K.zzY2G(Unknown Source)
	at com.aspose.words.zzZ3K.zzXYe(Unknown Source)
	at com.aspose.words.zzZ3K.zzZjo(Unknown Source)
	at com.aspose.words.zz3v.zzVOH(Unknown Source)
	at com.aspose.words.zz3v.zzXWJ(Unknown Source)
	at com.aspose.words.zzYEi.visitShapeStart(Unknown Source)
	at com.aspose.words.Shape.zzXWJ(Unknown Source)
	at com.aspose.words.CompositeNode.acceptCore(Unknown Source)
	at com.aspose.words.Shape.accept(Unknown Source)
	at com.aspose.words.CompositeNode.acceptChildren(Unknown Source)
	at com.aspose.words.CompositeNode.acceptCore(Unknown Source)
	at com.aspose.words.Paragraph.accept(Unknown Source)
	at com.aspose.words.CompositeNode.acceptChildren(Unknown Source)
	at com.aspose.words.CompositeNode.acceptCore(Unknown Source)
	at com.aspose.words.Shape.accept(Unknown Source)
	at com.aspose.words.CompositeNode.acceptChildren(Unknown Source)
	at com.aspose.words.CompositeNode.acceptCore(Unknown Source)
	at com.aspose.words.Paragraph.accept(Unknown Source)
	at com.aspose.words.CompositeNode.acceptChildren(Unknown Source)
	at com.aspose.words.CompositeNode.acceptCore(Unknown Source)
	at com.aspose.words.Shape.accept(Unknown Source)
	at com.aspose.words.zzWqD.zzXWJ(Unknown Source)
	at com.aspose.words.zzZ3K.zzY2G(Unknown Source)
	at com.aspose.words.zzZ3K.zzXYe(Unknown Source)
	at com.aspose.words.zzZ3K.zzZjo(Unknown Source)
	at com.aspose.words.zz3v.zzVOH(Unknown Source)
	at com.aspose.words.zz3v.zzXWJ(Unknown Source)
	at com.aspose.words.zzYEi.visitShapeStart(Unknown Source)
	at com.aspose.words.Shape.zzXWJ(Unknown Source)
	at com.aspose.words.CompositeNode.acceptCore(Unknown Source)
	at com.aspose.words.Shape.accept(Unknown Source)
	at com.aspose.words.CompositeNode.acceptChildren(Unknown Source)
	at com.aspose.words.CompositeNode.acceptCore(Unknown Source)
	at com.aspose.words.Paragraph.accept(Unknown Source)
	at com.aspose.words.CompositeNode.acceptChildren(Unknown Source)
	at com.aspose.words.CompositeNode.acceptCore(Unknown Source)
	at com.aspose.words.Body.accept(Unknown Source)
	at com.aspose.words.CompositeNode.acceptChildren(Unknown Source)
	at com.aspose.words.CompositeNode.acceptCore(Unknown Source)
	at com.aspose.words.Section.accept(Unknown Source)
	at com.aspose.words.CompositeNode.acceptChildren(Unknown Source)
	at com.aspose.words.CompositeNode.acceptCore(Unknown Source)
	at com.aspose.words.Document.accept(Unknown Source)
	at com.aspose.words.zzYEi.zzYUy(Unknown Source)
	at com.aspose.words.Document.zzXWJ(Unknown Source)
	at com.aspose.words.Document.save(Unknown Source)
	at com.aspose.words.Document.save(Unknown Source)
	at AsposeWordApp.main(xxxxx)

How can I solve this problem? Please help me, thank you!

3

@MarkKevin Could you please attach your input document and provide code that will allow us to reproduce the problem? We will check the issue and provide you more information.