Run and debug IntelliJ plugin ======= #What to do it a fatal error arises while running a plugin If you get the [following fatal error] (https://github.com/JetBrains/intellij-sdk/blob/master/tutorials/fatal_error.md) Internal error. Please report to http://youtrack.jetbrains.com java.lang.RuntimeException: com.intellij.ide.plugins.PluginManager$StartupAbortedException: Fatal error initializing 'com.intellij.openapi.actionSystem.ActionManager' it means that the system IntelliJ IDEA caches might be corrupted and need to be removed. On [this page] (https://devnet.jetbrains.com/docs/DOC-181) more info about the caches location for different operation system is provided. **TBC**