Need help with fine-tuning the VBA Excel Mail Merge Codes

Sub MailMergeARDS()

    Dim wd As Object
    Dim wdocSource As Object
    Dim wdInputName As String
    Dim strWorkbookName As String
    wdInputName = ThisWorkbook.Path & "\A00F200eAuditReferenceDataSheet.docx"
    
    On Error Resume Next
    Set wd = GetObject(wdInputName, "Word.Application")
    Set wd = GetObject(, "Word.Application")
    If wd Is Nothing Then
        Set wd = CreateObject("Word.Application")
    End If
    On Error GoTo 0

    Set wdocSource = wd.Documents.Open("E:\Multisite\A00F200eAuditReferenceDataSheet.docx")
    strWorkbookName = ThisWorkbook.Path & "\" & ThisWorkbook.Name

    wdocSource.MailMerge.MainDocumentType = wdFormLetters

    wdocSource.MailMerge.OpenDataSource _
            Name:=strWorkbookName, _
            AddToRecentFiles:=False, _
            Revert:=False, _
            Format:=wdOpenFormatAuto, _
            Connection:="Data Source=" & strWorkbookName & ";Mode=Read", _
            SQLStatement:="SELECT * FROM `Database$`"

    With wdocSource.MailMerge
        .Destination = wdSendToNewDocument
        .SuppressBlankLines = True
        With .DataSource
            .FirstRecord = wdDefaultLastRecord
            .LastRecord = wdDefaultLastRecord
        End With
        .Execute Pause:=False
    End With

    wd.Visible = True
    wd.Quit
    wdocSource.Close SaveChanges:=False

    Set wdocSource = Nothing
    Set wd = Nothing
End Sub