If you receive an authentication framework Error #2027 when trying to login to Glyph please try the following troubleshooting to resolve the error.
First close out Glyph and restart Steam. Make sure you are logged into your Steam account before you click on the Play button. After clicking on play, Glyph should login normally.
If restarting Steam didn't resolve the login error, then reinstalling glyph should allow you to login. First close Glyph and navigate to the folder that you installed your Glyph game. By default it would be found under the following folder:
C:\Program Files (x86)\Steam\SteamApps\common\Game Name
Run the GlyphUninstall.exe file to uninstall. At first prompt select to uninstall Glyph only. Now open Steam and right click on your Glyph game and select Properties. Click on the Local Files tab and click on Verify Integrity of Game Cache. Once finished click the Play button to reinstall Glyph.