Excel VBA Run Time Error '424' object required - vba

Question

I am totally new in VBA and coding in general,
i want to attache a pdf (Print.pdf) to a specific field (alias_3) in a lotus notes database but i am getting the error 424.
Any suggestions what i am doing incorrectly?
Sub aa()
Dim alias_3 As String
Set notesface = CreateObject("Notes.NotesSession")
Set makeup = Nothing
Set makeup = notesface.GetDatabase("C2S2/ConsolidatedContracts", "p_dir\bpcmrtuat.nsf")
Set docu = makeup.GetDocumentByID("00002BE6")
Attachment1 = "C:\Users\Desktop\aloxa\Print.pdf"
rtitem = docu.HasEmbedded
For Each test2 In docu.GetItemValue("alias_3")
test = test2.HasEmbedded ----> here i am getting the error
Set EmbedObj1 = docu.alias_3.embedobject(1454, "attachment1", Attachment1, "")
Exit For
Next test2
Set EmbedObj1 = test.embedobject(1454, "", Attachment1, "")
Set AttachME = test.CreateRichTextItem("attachment1")
docu.GetItemValue ("alias_3")
If Attachment1 <> "" Then
Set AttachME = docu.CreateRichTextItem("Attachment1")
Set EmbedObj1 = AttachME.embedobject(1454, "attachment1", Attachment, "")
On Error GoTo 0
End If
ExitSub:
End Sub

Answer 1

According to the Lotus Note documentation, GetItemValue() returns either a String, an array of String, or an array of Doubles, none of them having a HasEmbedded property.

Answer 2

Your codes mixes getting values from an item with attaching things to another item, etc.
First of all: Do you REALLY have a richtextitem called "alias_3" in the design of the form that your document is made of? Or is the name of the item "Attachment1" as in your second part of the code? Or is it a default mail database, then the name of the item would be "Body"?
Just replace "alias_3" in the following code with the appropriate itemname. The complete code can be reduced to these lines (I replaced the variable names, so that another developer KNOWS what you mean by using "defaults"):
Set ses = CreateObject("Notes.NotesSession")
Set db = ses.GetDatabase("C2S2/ConsolidatedContracts", "p_dir\bpcmrtuat.nsf")
Set doc = db.GetDocumentByID("00002BE6") '- This line is dangerous, because the noteid can change easily...
strAttachmentPath = "C:\Users\Desktop\aloxa\Print.pdf"
Set rtItem = doc.GetFirstItem( "alias_3" )
If not rtItem.HasEmbedded() then
Call rtItem.embedobject(1454, "", strAttachmentPath , "")
Else
'- what do you want to do, if there is already an embedded attachment?
End if
Call doc.Save( True, True, True )