This question was asked yesterday and server was down. Anyhow I think it is a technical mistake, and GSTN should correct it.
chatCommentsI am facing the same problem as AnilKumar. Even today the same message keeps showing.What to do sir? - ShantanuI am unable to submit GSTR-3B for July. This is the error "Some error occured.Please save GSTR3B form again." I am getting while trying to preview and submit GSTR3B. - Phalgun Kumar