IntelliJ lombok plugin isn't compatible

2020 Edit: Try uninstalling and reinstalling the Lombok plugin.

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It's a temporary issue. The github issue below says others have had luck uninstalling / reinstalling the plugin.

https://github.com/mplushnikov/lombok-intellij-plugin/issues/775

If that does not work then there is a plugin you can install manually as a workaround.

Edit: Here are some screenshots on uninstalling/reinstalling.

Go to settings -> plugins, search for lombok under intalled. Click on the dropdown menu to show 'Uninstall'.

Click 'apply', go to the marketplace tab and click install. Then restart your IDE.

I just updated the intellij dependency and build it locally. For me this lombok-plugin-0.30-EAP.zip works until the official update ist out :-) (Settings➙Plugins➙⚙️➙Install Plugin from Disk...)