doesnt work with IDEA 2020.2

[anjia0532]

When you do Liquibase -> generate dataset - nothing is happened

com.intellij.diagnostic.PluginException: action with the ID "LiquibaseGroup" was already registered. Action being registered is null (null); Registered action is Liquibase (null) Plugin: Liquigen [Plugin: com.alivanov.intellij.plugins.liquigen]
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.reportActionError(ActionManagerImpl.java:416)
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.reportActionError(ActionManagerImpl.java:411)
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.registerChameleon(ActionManagerImpl.java:1276)
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.addToMap(ActionManagerImpl.java:1249)
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.registerAction(ActionManagerImpl.java:1219)
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.registerOrReplaceActionInner(ActionManagerImpl.java:714)
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.processGroupElement(ActionManagerImpl.java:778)
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.processActionsChildElement(ActionManagerImpl.java:1112)
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.registerPluginActions(ActionManagerImpl.java:529)
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.<init>(ActionManagerImpl.java:166)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
	at com.intellij.serviceContainer.ConstructorInjectionKt.instantiateUsingPicoContainer(constructorInjection.kt:47)
	at com.intellij.serviceContainer.ComponentManagerImpl.instantiateClassWithConstructorInjection(ComponentManagerImpl.kt:664)
	at com.intellij.serviceContainer.ServiceComponentAdapter.createAndInitialize(ServiceComponentAdapter.kt:49)
	at com.intellij.serviceContainer.ServiceComponentAdapter.access$createAndInitialize(ServiceComponentAdapter.kt:13)
	at com.intellij.serviceContainer.ServiceComponentAdapter$doCreateInstance$1.run(ServiceComponentAdapter.kt:43)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:629)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:581)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:60)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeNonCancelableSection(CoreProgressManager.java:192)
	at com.intellij.serviceContainer.ServiceComponentAdapter.doCreateInstance(ServiceComponentAdapter.kt:42)
	at com.intellij.serviceContainer.BaseComponentAdapter.getInstanceUncached(BaseComponentAdapter.kt:113)
	at com.intellij.serviceContainer.BaseComponentAdapter.getInstance(BaseComponentAdapter.kt:67)
	at com.intellij.serviceContainer.ComponentManagerImpl.doGetService(ComponentManagerImpl.kt:413)
	at com.intellij.serviceContainer.ComponentManagerImpl.getService(ComponentManagerImpl.kt:395)
	at com.intellij.openapi.actionSystem.ActionManager.getInstance(ActionManager.java:28)
	at com.intellij.openapi.actionSystem.impl.ActionPreloader.preload(ActionPreloader.java:15)
	at com.intellij.openapi.application.Preloader.lambda$preload$0(Preloader.java:84)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:170)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:629)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:581)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:60)
	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:157)
	at com.intellij.openapi.application.Preloader.lambda$preload$1(Preloader.java:74)
	at com.intellij.util.concurrency.BoundedTaskExecutor.doRun(BoundedTaskExecutor.java:215)
	at com.intellij.util.concurrency.BoundedTaskExecutor.access$200(BoundedTaskExecutor.java:26)
	at com.intellij.util.concurrency.BoundedTaskExecutor$1.execute(BoundedTaskExecutor.java:194)
	at com.intellij.util.ConcurrencyUtil.runUnderThreadName(ConcurrencyUtil.java:207)
	at com.intellij.util.concurrency.BoundedTaskExecutor$1.run(BoundedTaskExecutor.java:183)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:668)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:665)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:665)
	at java.base/java.lang.Thread.run(Thread.java:834)

[intellitour]

Same here