Error in SonarLint for IntelliJ SonarIssue

Environment:

  • Java version=11.0.7
  • Java vendor=JetBrains s.r.o.
  • OS name=Windows 7
  • OS architecture=amd64
  • IDE=IntelliJ IDEA 2020.2
  • SonarLint version=5.0.1.33703

cannot reset configurable

java.lang.IllegalStateException: java.lang.IllegalStateException: Multiple plugins found
	at org.sonarlint.intellij.core.SonarLintEngineFactory.findEmbeddedCFamilyPlugin(SonarLintEngineFactory.java:155)
	at org.sonarlint.intellij.core.SonarLintEngineFactory.createEngine(SonarLintEngineFactory.java:76)
	at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
	at org.sonarlint.intellij.core.SonarLintEngineManager.getConnectedEngine(SonarLintEngineManager.java:137)
	at org.sonarlint.intellij.config.global.ServerConnectionMgmtPanel.switchTo(ServerConnectionMgmtPanel.java:287)
	at org.sonarlint.intellij.config.global.ServerConnectionMgmtPanel.onServerSelect(ServerConnectionMgmtPanel.java:275)
	at org.sonarlint.intellij.config.global.ServerConnectionMgmtPanel.lambda$create$0(ServerConnectionMgmtPanel.java:122)
	at java.desktop/javax.swing.JList.fireSelectionValueChanged(JList.java:1804)
	at java.desktop/javax.swing.JList$ListSelectionHandler.valueChanged(JList.java:1818)
	at java.desktop/javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:219)
	at java.desktop/javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:199)
	at java.desktop/javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:246)

Hello Dnyaneshwar.
Thank you for your feedback and welcome to the community!
Looks like there are more then one CFamily plugins. Try clean plugins storage. It’s located in .sonarlint/plugins folder in your user directory.
Have a good day!