Here is the save button code:
Private Sub cmdSaveUSER_Click()
On Error GoTo Err_cmdSaveUSER_Click
DoCmd.DoMenuItem acFormBar, acRecordsMenu, acSaveRecord, , acMenuVer70
Exit_cmdSaveUSER_Click:
Exit Sub
Err_cmdSaveUSER_Click:
MsgBox Err.Description
Resume Exit_cmdSaveUSER_Click...