change line 402 of the update page:
$WARichTextEditor_1 = CreateRichTextEditor ("ContentValue", "../HTMLEditor/", "713px", "400px", "Custom", "../custom/contents_update_ContentValue1.js", "".($totalRows_HistoryUpdate > 0)?$row_HistoryUpdate['HistoryValue']:$row_WADAContents['ContentValue'] ."");
$WARichTextEditor_1 = CreateRichTextEditor ("ContentValue", "../HTMLEditor/", "713px", "400px", "Custom", "../custom/contents_update_ContentValue1.js", "".(($totalRows_HistoryUpdate > 0)?$row_HistoryUpdate['HistoryValue']:$row_WADAContents['ContentValue']) ."");