If the teachings are the same, or very close, what is the problem? I do not teach Gnostics I just noted they have a similar story to Adam and Eve that we do as does the Hebrew, Greek and many other bibles. The article on Abramic religions posted by another person shows that all religions are diverse and still evolving. Heresy is often used within Christian sects for slightly differing beliefs. I did not realise how many! I do apologise that I did not reference the Hebrew bible which may have been less controversial.
My work is on the story of Adam and Eve ONLY.