Whenever i would go to "File" then press "New" this error would say "failed to load the default scheme file" and it wouldnt show the grid on the different perspectives for the map view
You should try and open it from the folder 'C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\bin\'. Look for "hammer.exe" and use that to open it, you can create a shortcut to it for easy access. The SourceSDK menu doesn't work properly as it was broken during the SteamPipe update, I believe
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