Excel VBA, create email error, the property does not exist. the field you want to modify is not valid for this type of item.

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Hello everyone, for years I've had a vba macro in excel that autosends emails for me. My computer was upgraded to Office 2013 a couple of weeks ago and now some of my emails are not working properly. The email is created fine, but when I try to send the message it says, "The property does not exist. the field you want to modify is not valid for this type of item." I can create the email from scratch w/ the same: to, subject, body, and attachment and it sends fine.

Here is the main part of the macro, the attachment is an excel workbook. Any ideas?

Set OutMail = OutApp.CreateItem(0)
            Set FileCell = cell.Offset(0, 5)
            With OutMail
                .To = cell.Offset(0, 1).Value
                .bcc = cell.Offset(0, 11).Value
                .Subject = cell.Offset(0, 2).Value
                .Body = cell.Offset(0, 3).Value
                                
                'Adding multiple files to the email, first it checks to see if there are attachments.
                If FileCell <> "" Then
                    For Each FileCell In rng.SpecialCells(xlCellTypeVisible)
                        If Trim(FileCell) <> "" Then
                            If Dir(FileCell.Value) <> "" Then
                                .Attachments.Add FileCell.Value
                            End If
                        End If
                    Next FileCell
                End If

Thank you!

 

[graphage]

I may have just figured it out. I shorted the body a little bit and I think it is working. If you don't hear back from me then that fixed it. It is odd because I haven't lengthened the body recently, so maybe the maximum length has been shortened.