"Save as" request in closing a .docx Word 2007 document from Access

Se the code attached but ignore the middle bit that puts text into a document from Access.
When I close the document, in spite of the wdSaveChanges at line 340, it still asks the User whether to save the document changes. Why? and how can I get rid of it?
Also relevant, the document in question opens fine with the passwords given, but when it closes (by the User clicking Save) the error "Password too long" is given but the document closes Ok and the added text is safely in the document. Also the passwords still protect the document...

Any ideas?

Thanks.

Sub logInNotes(this_form As Form, mode As String, CTYPE As String)
' stick log entry and/or template in Word notes
'
' "L"   log only
' "T"   template only
' "LT"  both

    Dim blret As Boolean, RTFstring As String

    Dim docapp As Object
    Dim docdoc As Object
    Dim password As String, thislog As String
    Dim junk As Integer
    Dim temppath As String

    ' paragraph and range objects for bookmark/borders code
    Dim rng As Object
    Dim par As Object

    ' open up the file
    On Error GoTo logInNotes_Error

15  Set docapp = CreateObject("Word.Application")

'40  On Error GoTo notFound
50  password = DLookup("[password readwrite]", "[my details]")
60  Set docdoc = docapp.Documents.Open("C:\program files\COUNSELOG 4.2\cg4 docs\" & _
                                       Forms!switchboard!thisuser & "\" & Forms![counselling log].client_on_form & ".docx", _
               , , , password, , , password)
               
'70  On Error GoTo logInNotes_Error

    ' timestamp always if we got this far...
90  docapp.Selection.EndKey Unit:=wdStory  ' to the end of text
100 docapp.Selection.Font.size = 11
110 docapp.Selection.TypeText vbCrLf & "___________________________" & vbCrLf   ' timestamp
120 docapp.Selection.TypeText CTYPE & " session on " & _
                              Format(Forms![counselling log]!date_on_form, "MMMM dd, yyyy") & _
                              ", session number " & Forms![counselling log]!sesno & vbCrLf

    ' stick in log entry?
130 If InStr(mode, "L") Then
140     docapp.Selection.Font.size = 13
150     docapp.Selection.TypeText "Log for session: " & vbCrLf
        ' plant starting bookmark

160     docdoc.Bookmarks.Add "start", docapp.Selection.Range

        ' plant text from Access field
171     thislog = Forms![counselling log].[dealt with]      ' convert to string from access field
172     docapp.Selection.TypeText RegExpReplace(thislog, "<(.|\n)*?>") & vbCrLf & vbCrLf


        ' make a range from bookmark to where we are now
        'Set rng = docdoc.Range(docdoc.Bookmarks("start").Range.end, docapp.Selection.end)
210     Set rng = docdoc.Range(docdoc.Bookmarks("start").end, docapp.Selection.end)    ' create range to cover all text imported

        ' enable borders for all paras in this range
220     For Each par In rng.Paragraphs
230         par.Borders.Enable = True
240     Next par
250 End If

    ' stick in template?
260 If InStr(mode, "T") Then
270     temppath = DLookup("[session template path]", "[my details]")
280     If IsNull(temppath) Then
290         Call tellIt(Forms![session log]!Label193, Forms![session log], False)
300     Else
310         docapp.Selection.insertfile temppath
320     End If
330 End If

360 Set rng = Nothing
370 Set par = Nothing

340 docdoc.Close wdSaveChanges
350 docapp.Quit

380 Set docdoc = Nothing
390 Set docapp = Nothing

    'go home

    On Error GoTo 0
    Exit Sub

notFound:
450 Call tellIt(this_form.Label162, this_form, False)
460 Exit Sub

logInNotes_Error:

    MsgBox "Error " & err.number & _
         " (" & err.description & _
           ") from >" & err.source & _
           "< in line " & Erl & _
         " in procedure 'logInNotes' of Module 'global'", vbExclamation

End Sub

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