Can not save file

Oh, the experimental version. Well, there are bound to be issue, since it’s not yet officially released and is still being worked on; so I wouldn’t recommend working on full projects in this version. I recommend using the official release until then.

Yeah. i will roll back to static version.thanks for suggestion.

This file appears like this here (background color added by me):

This issue of can not saving file happes sometime.i have no anything clew.