idea 2022.1.2 error

[Abandoned9]

java.lang.IllegalStateException: @NotNull method com/mallowigi/idea/MTHackLafProvider.getLookAndFeelInfo must not return null at com.mallowigi.idea.MTHackLafProvider.$$$reportNull$$$0(MTHackLafProvider.java) at com.mallowigi.idea.MTHackLafProvider.getLookAndFeelInfo(MTHackLafProvider.java:61) at com.intellij.ide.ui.laf.LafManagerImpl.lambda$computeLafList$4(LafManagerImpl.java:194) at com.intellij.openapi.extensions.impl.ExtensionProcessingHelper.forEachExtensionSafe(ExtensionProcessingHelper.java:34) at com.intellij.openapi.extensions.ExtensionPointName.forEachExtensionSafe(ExtensionPointName.java:46) at com.intellij.ide.ui.laf.LafManagerImpl.computeLafList(LafManagerImpl.java:193) at com.intellij.ide.ui.laf.LafManagerImpl.lambda$new$0(LafManagerImpl.java:105) at com.intellij.util.concurrency.SynchronizedClearableLazy.getValue(SynchronizedClearableLazy.kt:37) at com.intellij.ide.ui.laf.LafManagerImpl.findLaf(LafManagerImpl.java:381) at com.intellij.ide.ui.laf.LafManagerImpl.loadLafState(LafManagerImpl.java:364) at com.intellij.ide.ui.laf.LafManagerImpl.loadState(LafManagerImpl.java:345) at com.intellij.ide.ui.laf.LafManagerImpl.loadState(LafManagerImpl.java:74) at com.intellij.configurationStore.ComponentStoreImpl.doInitComponent(ComponentStoreImpl.kt:441) at com.intellij.configurationStore.ComponentStoreImpl.initComponent(ComponentStoreImpl.kt:373) at com.intellij.configurationStore.ComponentStoreImpl.initComponent(ComponentStoreImpl.kt:119) at com.intellij.configurationStore.ComponentStoreWithExtraComponents.initComponent(ComponentStoreWithExtraComponents.kt:48) at com.intellij.serviceContainer.ComponentManagerImpl.initializeComponent$intellij_platform_serviceContainer(ComponentManagerImpl.kt:536) at com.intellij.serviceContainer.ServiceComponentAdapter.createAndInitialize(ServiceComponentAdapter.kt:55) at com.intellij.serviceContainer.ServiceComponentAdapter.doCreateInstance(ServiceComponentAdapter.kt:41) at com.intellij.serviceContainer.BaseComponentAdapter.getInstanceUncached(BaseComponentAdapter.kt:119) at com.intellij.serviceContainer.BaseComponentAdapter.getInstance(BaseComponentAdapter.kt:73) at com.intellij.serviceContainer.BaseComponentAdapter.getInstance$default(BaseComponentAdapter.kt:66) at com.intellij.serviceContainer.ComponentManagerImpl.doGetService(ComponentManagerImpl.kt:610) at com.intellij.serviceContainer.ComponentManagerImpl.getService(ComponentManagerImpl.kt:584) at com.intellij.openapi.client.ClientAwareComponentManager.getFromSelfOrCurrentSession(ClientAwareComponentManager.kt:37) at com.intellij.openapi.client.ClientAwareComponentManager.getService(ClientAwareComponentManager.kt:22) at com.intellij.ide.ui.LafManager.getInstance(LafManager.java:17) at com.intellij.idea.ApplicationLoader$initApplication$block$3$2.run(ApplicationLoader.kt:156) at com.intellij.openapi.application.TransactionGuardImpl$1.run(TransactionGuardImpl.java:200) at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:873) at com.intellij.openapi.application.impl.ApplicationImpl$3.run(ApplicationImpl.java:511) at com.intellij.openapi.application.impl.FlushQueue.doRun(FlushQueue.java:69) at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:112) at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:42) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:776) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:727) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:746) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:393) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)

[mallowigi]

Duplicate, and please don't open issues here.