I use IntelliJ IDEA 15 and have a problem with the auto-saving. For example I make a new configuration, e.g. Show the line number. When I close IntelliJ and reopen my IDE, it doesn't save my configuration and shows me this message:
Unable to save settings : Failed to save settings . Please restart IntelliJ IDEA
log. path): %LOCALAPPDATA%\JetBrains\IntelliJIdea2020. 3\log.
To configure project settings, select IntelliJ IDEA | Preferences on macOS or File | Settings on Windows and Linux from the main menu. Alternatively, you can press Ctrl+Alt+S to show the IDE settings. icon. Other settings are global and apply to all existing projects.
After importing, you have to explicitly pick up those settings. I.e. if you imported code style settings you have to go to Idea settings and explicitly pick this imported code style from drop down list.
I get this too (IntelliJ 15.0.5), but only when the "Markdown support" plugin is used. Once a .md file is visualised the error starts appearing.
For future reference current version: 2016.1.20160405.143
Not a very solution-oriented post, but maybe this can help someone further pinpoint the source of the error.
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